Murano Glass
35
1,010
to
242
653
296
1,010
1,010
1,010
752
47
38
22
4
2
2
1
1
2
30
1,575
160
68
1,010
413
3
2
14
50
29
225
143
145
88
44
3,427
1,292
1,010
727
329
999
935
48
7
3
71
61
60
50
45
Period: Mid-20th Century
Material: Murano Glass
Blue and Green Murano Glass Fish by Antonio da Ros for Cenedese Murano Italy
Located in Vienna, AT
This large light green and blue hand blown glass fish was created by Antonio Da Ros in the 1960s and manufactured by Vetreria Gino Cenedese, Mura...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Murano Vintage Millefiori Murrine Flower Mosaic Italian Art Glass Paperweight
Located in Kissimmee, FL
Beautiful and colorful vintage Murano hand blown rainbow color flower murrines over copper bed Italian art glass paperweight. Documented to the Fratelli Toso company. The paperweight...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass, Murrine, Sommerso
Six Cenedese Nautilus Flutes Set, Cobalt accent and Pulegoso Murano Glass signed
Located in Tavarnelle val di Pesa, Florence
Introducing the Nautilus Shell Inspired Murano Glass Flutes
This unique and rare set of flutes is a must-have for any collector of vintage glass. Made in Murano in the 1950s by Cened...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Vase in murrina millefiori yellow, FRATELLI TOSO MURANO, 1950
Located in Venezia, IT
A classic vase in Murrina Millefiori by Fratelli Toso. This classic design hails from the beginning of the '50s and showcases the true craftsmanship that made Fratelli Toso famous. T...
Category
1950s Italian Arts and Crafts Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Coppa in murrina millefiori, FRATELLI TOSO MURANO, 1965
Located in Venezia, IT
Murrina Millefiori bowl by Fratelli Toso. This classic design hails from the beginning of the '60s and showcases the true craftsmanship that made Frate...
Category
1960s Italian Arts and Crafts Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Mandruzzato Murano Faceted Sommerso Red and Yellow Art Glass Vase
Located in Barcelona, ES
Faceted Sommerso double cased red and yellow Murano Art glass vase. Attributed to Mandruzzato, Italy, 1960s
Red glass with a layer of yellow glass cased into clear glass. The vibrant...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Sommerso, Murano Glass, Cut Glass
Galliano Ferro Murano Large Pink & Opalescent White Glass Bowl
Located in Bolton, GB
This is a magnificent large and heavy (1.5kg unpacked) 1950/60's Venetian biomorphic glass bowl, made on the island of Murano, near Venice, Italy. In a stunning combination of opaque...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Ercole Barovier Mirror-Engraved Murano Glass Italian Serving Tray, 1940s
Located in Roma, IT
Rectangular Murano glass tray from the 1950s. Noble Venetian mirror glass with etched golden tendril decoration, a turned glass edge and gilded handles. Stylish Italian craftsmanship...
Category
1940s Vintage Murano Glass
Materials
Murano Glass
Seguso Vetri d'Arte Murano Sommerso Glass Vase, 1960s
Located in Berghuelen, DE
Seguso Vetri d'Arte Murano Sommerso Glass Vase, 1960s.
A vintage Murano sommerso art glass vase. Designed by Flavio Poli and manufactured by Seguso Vetri d'Arte circa 1960s. Manufac...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Art Glass, Murano Glass
Archimede Seguso Murano Pink Alabastro Glass Duck Sculpture
Located in Bolton, GB
This is a magnificent 1950/60's Venetian sculptural glass duck or goose, made on the island of Murano, near Venice, Italy. In a stunning combination of opaque pink and white glass, k...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Vintage 'Space Age' Multiple colors Opaline Florence Vase, Empoli, 1955s
By Empoli
Located in Verviers, BE
Vintage opaline from Florence.
This is a rare color and size, a must have for any collector.
Looks simply stunning.
The piece is in excellent condition and a real beauty!
...
Category
1950s Italian Space Age Vintage Murano Glass
Materials
Murano Glass, Opaline Glass
Mid Century Blue and Transparent Glass Bowl Ashtray Element, Italy, 1970s
Located in 05-080 Hornowek, PL
This original vintage glass ash tray bowl element was designed and produced in the 1970s in Poland. It is made in Sommerso Technique and has a fantastic faceted form. The vibrant col...
Category
Mid-20th Century Italian Murano Glass
Materials
Crystal
Murano Large Vase Multicoloured and with Gold Inclusions
Located in Verviers, BE
Beautiful Murano Large Vase Multicoloured and with Gold Inclusions
The piece is in excellent condition and a real beauty!
Please look at our storefront page to browse our entire col...
Category
1960s Italian Art Nouveau Vintage Murano Glass
Materials
Art Glass, Murano Glass
Scultura in Vetro di Murano a forma di Anatra, firmata da Mario Marini, 1950
Located in Florence, IT
Scultura in Vetro di Murano trasparente a forma di Anatra, firmata da Mario Marini, Murano.
Il vetro è pieno e realizzato con la tecnica a taglio sfaccett...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Small 1970s Mid Century Italian Murano Blue & Turquoise Sommerso Glass Vase
Located in London, GB
A very unusual and Murano blue and turquoise glass vase. The original round foil sticker is visible on one side marked: Murano Made In Italy. A beautiful decorative piece perfect for a glass display case or shelf where the light can shine through it to emphasise the beautiful and almost luminous two-tone coloured glass. The vase is made in the Sommerso (submerged) style with darker royal blue glass submerged inside lighter turquoise clear glass...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Art Glass, Murano Glass
1960s Astonishing Set of Six Glasses in Murano Glass. Made in Italy
Located in Milano, IT
1960s Astonishing set of six glasses in Murano glass. Made in Italy. The Items are in in excellent condition
Diameter 2,36" x 6,69 " inches
Diameter cm 6 x cm 17 H
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
MARKED Venini Murano Green & Yellow Glass Zanfirico Fazzoletto Vase
By Venini, Paolo Venini
Located in Bolton, GB
Here is an exquisite 1950's small Venetian green & yellow glass "Fazzoletto" (handkerchief) vase. Made on the island of Murano, near Venice, Italy, by famous manufacturers Venini, de...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
MARKED Venini Murano White Glass Zanfirico Fazzoletto Vase
By Venini, Paolo Venini
Located in Bolton, GB
Here is an exquisite 1950's small Venetian white glass "Fazzoletto" (handkerchief) vase. Made on the island of Murano, near Venice, Italy, by famous manufacturers Venini, designed by...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Large Napolene Martinuzzi amber Murano glass vase circa 1930
Located in Rio De Janeiro, RJ
Incredible and large Napoleone Martinuzzi amber Murano glass vase circa 1930 with applied glass.
Category
1930s Italian Art Deco Vintage Murano Glass
Materials
Murano Glass
Set of 8 Cenedese twisted Ruby stem, Pulegoso Murano Glass, unique. Signed
Located in Tavarnelle val di Pesa, Florence
Exceptional set of Cenedese stem glass.
This unrepeatable set of stemware reproduces the Georgian 18th Century classic twisted stem glass. The twisted...
Category
1950s Italian Georgian Vintage Murano Glass
Materials
Glass, Art Glass, Murano Glass
Decorative offering bowl, amber art glass Murano 1940s, Murano Venice, Italy
Located in Wien, AT
This amazing bowl is out of hand crafted glass, made in Murano, the island of the glass blowing workshops in Venice, Italy. This piece is from the 1960s-70s and is of sophisticated d...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Art Glass, Blown Glass, Murano Glass
Midcentury Modern Murano Blue and Yellow Sommerso Art Glass Bowl 1960s
Located in Berghuelen, DE
Midcentury Modern Murano Blue and Yellow Sommerso Art Glass Bowl 1960s
A heavy Murano sommerso glass bowl most probably manufactured by Seguso Vetri d'Arte circa 1960s. Manufactured...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Art Glass, Murano Glass
Monumental Anzolo Fuga for A.V.E.M. Murano 'Murrine Incatenate' Glass Vase
Located in Dronten, NL
Exceptional hand-blown glass vase with silver foil inclusions and large murrines, by Anzolo Fuga for A.Ve.M. (Arte Vetraria Muranese), Italy, 1950s. These Murrine Incatanate pieces a...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass, Murrine
Barovier & Toso Italian Red Murano Glass Vase With Gold Decorations
Located in Prato, Tuscany
We kindly suggest that you read the entire description, as with it we try to give you detailed technical and historical information to guarantee the authenticity of our objects.
Sedu...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Murano Glass
Rare Set of 12 Classic Cenedese Fume and Gold Champagne Glass . Unique
Located in Tavarnelle val di Pesa, Florence
This exceptional set of 12 vintage champagne glasses is a rare and unique find.
Handmade in Murano, Italy by Cenedese, one of the most renowne...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Murano Glass
Antonio da Ros Murano Glass Sommerso Vase for Cenedese
Located in Los Angeles, CA
Beautiful sommerso glass with a very traditional bubble design by Antonio da Ros.
Category
Mid-20th Century Italian Modern Murano Glass
Materials
Murano Glass
1950s Italian Murano Bright Rose Pink Gold Art Glass Serving Set
By Murano 5
Located in Copenhagen, DK
Eye-catching bright fuchsia pink striped set of Venetian Murano mouthblown art glass serveware. Slender carafe with soft tiers and large circular stopper (small chip on the inside of...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Barovier and Toso Centerpiece Iridescent Murano Glass 1940 Italy
Located in Milano, IT
Centerpiece Barovier and Toso 1940
Category
1940s Vintage Murano Glass
Materials
Murano Glass
1960s Stunning Table Lighter in Murano Sommerso Glass By Flavio Poli for Seguso
By Seguso
Located in Milano, IT
1960 Stunning red and yellow table lighter in Murano Sommerso Glass by Flavio Poli for Seguso. Made in italy. The item is in excellent condition and it works perfectly
Dimension:
di...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Giardino Vase - murrina sparse and green - FRATELLI TOSO Murano, 1960 circa
Located in Venezia, IT
GIARDINO vase by Fratelli Toso - rare example made with this peculiar very small murrina millefiori and a special dark green one. This modern and innovative design hails from the 60s...
Category
1960s Italian Arts and Crafts Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Large Italian Alexandrite and Green Sommerso Murano Glass Bowl, Dish or Ashtray
Located in Landau an der Isar, Bayern
Antonio da Ros for Cenedese large and heavy vintage Mid-Century Modern Italian Murano glass bowl, serving dish or ashtray, circa 1965-1975. Utilizing the Sommerso technique this larg...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Blown Glass, Murano Glass
Empoli 'Florence, Italy' Large Optical Glass on Foot
By Empoli
Located in Verviers, BE
Made by the Italian craftsmen of Empoli, Florence
The carefully crafted Optical details
The large, usable vase provides a solid form suitable for a few tall flowers...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Unique Set of 6 Cenedese Twisted Stem, Cobalt and Pulegoso Murano Glass. Signed
Located in Tavarnelle val di Pesa, Florence
Own a rare and exceptional set of Cenedese stem glass
This unrepeatable set of stemware reproduces the Georgian 18th Century classic twisted stem glass...
Category
1950s Italian Georgian Vintage Murano Glass
Materials
Glass, Art Glass, Murano Glass
Barovier Toso Murano Pink Gold Flecks Italian Art Glass Ribbed Pitcher Vase
Located in Kissimmee, FL
Beautiful vintage Murano hand blown pink and gold flecks Italian art glass pitcher shaped flower vase. Documented to designer Ercole Barovier, for the Barovier e Toso company. Create...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Gold Leaf
Smoky Murano Centerpiece
Located in Los Angeles, CA
Vintage smoky Murano glass tray or centerpiece infused with gold flecks / Made in Italy, circa 1960s
Measures: width 12 inches, depth 10 inches, height 2 inches
1 in stock in Los A...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Blown Glass, Murano Glass
Vintage Murano Sommerso Collectible Sculpture Tray in Aquamarine and Red Glass
By Flavio Poli
Located in Milano, IT
While some Murano ashtrays come in simple shapes, others have more ornate and sculptural styles. The skilled glassblowers and artisans of the venetian island can effortlessly obtain ...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Murano Glass
Seguso Duck Loving Couple Figurines Pink Alabastro Murano Studio Art Glass
Located in Bad Säckingen, DE
This vintage mid-century wrapping around each other loving couple of ducks in pink alabastro art glass, crafted by Seguso, is a charming representation of the skilled artistry of the...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass, Opaline Glass
Set of 6 Venini Multicolored Murano Glass Goblets from the 1950s
By Venini
Located in Milano, MI
Set of six glasses (plus 1) in multicolored Murano glass, made by Venini in the 1950s. Each glass is signed at the base.
Ø 7 cm h 21.5 cm
Category
1950s Italian Art Deco Vintage Murano Glass
Materials
Murano Glass
Twelve Cenedese Wine Glass Set, Cyclamen Colour. Murano Glass. Masterpieces
Located in Tavarnelle val di Pesa, Florence
Introducing an Unique and Rare Set of 12 Cyclamen Glass Flutes.
Made in Murano on the 50ties by Cenedese. Almost impossible to find a full 12 pieces set.
This full set of 12 cyclamen...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Jar Murano, 1930, Italian. Attributed to Carlo Scarpa
By Carlo Scarpa
Located in Ciudad Autónoma Buenos Aires, C
Murano
Attributed to Carlo Scarpa
Carlo Scarpa
Scarpa was born in Venice. Much of his early childhood was spent in Vicenza, where his family relocated when he was 2 years old. After ...
Category
1930s Italian Art Deco Vintage Murano Glass
Materials
Murano Glass
Vintage Murano Sommerso Collectible Sculpture Tray in Aquamarine and Red Glass
By Flavio Poli
Located in Milano, IT
While some Murano ashtrays come in simple shapes, others have more ornate and sculptural styles. The skilled glassblowers and artisans of the venetian island can effortlessly obtain ...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Murano Glass
Midcentury centerpiece by Max Ingrand for Fontana Arte, Italy 1950
Located in Piacenza, Italy
Max Ingrand for Fontana Arte large amethyst glass centerpiece with profiled and curved glass on a golden brass base, Italy, c. 1956.
Stunning solid bass base, rare colour glass.
Bib: Roberto Aloi, Esempi di Decorazione Moderna di Tutto il mondo, Vetri d’Oggi, Milan, 1955, p.54 (picture 11) Franco Deboni, Fontana Arte : Gio Ponti, Pietra Chiesa...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Murano Glass
Archimede Seguso Attr. Glass Candle Stick with Dolphin ca. 1960s
Located in Berghuelen, DE
Archimede Seguso Attr. Glass Candle Stick with Dolphin ca. 1960s
A vintage Murano glass candle stick with dolphin sculpture. Executed most probably by Archimede Seguso ca. 1960s. Cl...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Murano Glass, Art Glass
Midcentury Crystal Mustard Yellow Glass Bowl Ashtray, Italy, 1970s
Located in 05-080 Hornowek, PL
This original vintage glass ash tray bowl element was designed and produced in the 1970s in Lombardia, Italy. It is made in Sommerso Technique...
Category
Mid-20th Century Italian Murano Glass
Materials
Crystal
Italian Murano Art Glass Bowl White Opaline, Pink and Shimmering Gold Drops
Located in New York, NY
A beautiful and substantial Italian Murano art glass bowl of white opaline, pink, light blue hues and drops of shimmering gold, Midcentury Modern period, circa mid-20th century, Ital...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Art Glass, Murano Glass
Midcentury Vintage Yellow Murano Vase, Italy, 1960s
Located in 05-080 Hornowek, PL
Vintage glass in very good condition. The vase looks like it has just been taken out of the box. No jags, defects etc. Only one unique piece. Murano glass.
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Murano Glass
Six Cenedese Nautilus Flutes Set, Brown accent and Pulegoso Murano Glass signed
Located in Tavarnelle val di Pesa, Florence
Introducing the Nautilus Shell Inspired Murano Glass Flutes
This unique and rare set of flutes is a must-have for any collector of vintage glass. Made in Murano in the 1950s by Cened...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Vintage Amethyst and Cream Murano Glass Miniature Horse, Italy
Located in Bresso, Lombardy
Made in Italy, 1920s - 1930s.
This miniature horse is made in hand-modeled Murano glass.
It might show slight traces of use since it's vintage, but i...
Category
1930s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Mid Century Small Blue and White Murano Vase, Europe, 1960s
Located in 05-080 Hornowek, PL
Blue and white vase in amazing organic shape.
Produced in 1960s. Glass in perfect condition.
The vase looks like it has just been taken out of the box.
No jags, defects, etc. The ...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Murano Glass
Barbini Murano Biomorphic Red & Black Glass Gold Leaf Bowl
Located in Bolton, GB
This is a magnificent 1950/60's Venetian biomorphic glass bowl, made on the island of Murano, near Venice, Italy. Most likely made by Barbini. In...
Category
Mid-20th Century Italian Mid-Century Modern Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Murrina MILLEFIORI mista, original design Fratelli Toso Murano, 1950
Located in Venezia, IT
Millefiori Murrina vase by Fratelli Toso. This classic design hails from the '50s and showcases the true craftsmanship that made Fratelli Toso famous. Each piece is meticulously craf...
Category
1950s Italian Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Murrina a Fiore, vase in murrina - original design by Fratelli Toso Murano 1960
Located in Venezia, IT
Murrina a Fiore vase by Fratelli Toso. This modern and innovative design hails from the beginning of the '60s and showcases the true craftsmanship that made Fratelli Toso famous. Thi...
Category
1960s Italian Arts and Crafts Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
LABELLED Archimede Seguso Murano Sommerso Glass Candle Holder
Located in Bolton, GB
This is a magnificent 1950/60's Venetian glass candlestick holder, made on the island of Murano, near Venice, Italy. In a stunning combination of purple glass cased in pink glass, wh...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Six Cenedese Nautilus Flutes, Amber and Pulegoso Murano Glass, Signed
Located in Tavarnelle val di Pesa, Florence
Introducing this rare and exceptional set of antique Murano glass flutes, inspired by the nautilus shell.
These unique and handcrafted flutes are a masterpiece of craftsmanship, mad...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Empoli 'Florence, Italy' Set Optical Glass on Foot
By Empoli
Located in Verviers, BE
Made by the Italian craftsmen of Empoli, Florence
The carefully crafted Optical details
The large, usable vase provides a solid form suitable for a few...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Opaline Glass, Murano Glass
Murano Glass Chartreuse and Gold Deco Ruffle Biomorphic Bowls of 1950s
Located in Verviers, BE
Murano glass Chartreuse and Gold Deco ruffle Biomorphic bowls of 1950s
Murano glass biomorphic ruffled edge bowls gold fleck made in Italy.
Rare Murano hand blown iridescent surface...
Category
1950s Italian Mid-Century Modern Vintage Murano Glass
Materials
Murano Glass
Mid-Century Murano Yellow Glass Bowl Ashtray Element, Italy, 1970s
Located in 05-080 Hornowek, PL
This original vintage glass ash tray bowl element was designed and produced in the 1970s in Lombardia, Italy. It is made in Sommerso Technique a...
Category
Mid-20th Century Italian Murano Glass
Materials
Glass, Murano Glass
Venini by Pierre Cardin, big Murano Glass Sculpture, Egg Shaped, Italian 1960s
Located in Milano, IT
Spinzi is a Milano based creative atelier specialised in furniture design as well as sourcing and trading relevant mid-century collectible design. Check out our storefront and websit...
Category
1960s Italian Mid-Century Modern Vintage Murano Glass
Materials
Glass, Art Glass, Blown Glass, Murano Glass
Read More
Ready for a Cinderella Moment? This Glass Handbag Is a Perfect Fit
Glass slippers might be the stuff of fairytales, but glass handbags? Artist Joshua Raiffe has made them a reality, and they're far less delicate than you might imagine, but just as dreamy.
100 Works That Remind Us Why Glass Can Be a Radical Art Form
A new show at Upstate New York’s Corning Museum of Glass shows off the best and brightest contemporary works of the last few years.
Recently Viewed
View AllMore Ways To Browse
Amethyst Cactus
International Silver Goblets
Antique Cranberry And Gold Glass
Pickle Jar Silver
Antique Venetian Glass And Enamel
Pink Depression Glass
Venetian Green Goblet
Triple Decanter
Aureliano Toso On Sale
Bohemian Carafe
Antique Liquor Jugs
Green Water Goblets
Orrefors Champagne
Silver And Coloured Faceted Glass
Vintage Lemonade Sign
Rectangle Bowl
Antique Victorian Tumblers
Tiffany Green Glass Bowl