Antique Keystone
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"Jean Cocteau" by Keystone-France
Located in London, GB
"Jean Cocteau" by Keystone-France
Portrait in the 1920s or 1930s of the writer Jean Cocteau in a
Category
1920s Modern Antique Keystone
Materials
Black and White
Gothic Keystone - France, 14th century
Located in Bruxelles, BE
Gothic Keystone
Limestone
France, 14th century
33 x 47 x 26 cm
A striking relic of Gothic
Category
15th Century and Earlier French Gothic Antique Keystone
Materials
Limestone
Keystone Broom Corn Advertising Sign
Located in San Francisco, CA
Keystone broom corn supplies metal advertising sign
22.75" x 25.5"
Category
19th Century American Antique Keystone
Materials
Metal
Coade Style Keystone of Democritus
Located in Wormelow, Herefordshire
Coade style Keystone of Democritus. A brilliant keystone of Democritus, an Ancient Greek
Category
Early 19th Century Antique Keystone
Materials
Terracotta
Eighteenth Century Carved Portland Stone Keystone
Located in London, GB
A large carved Portland stone keystone, likely eighteenth century, the tapered form with female
Category
Late 18th Century British Classical Roman Antique Keystone
Materials
Limestone
Monumental English Edwardian Portland Stone Keystone
Located in London, GB
An enormous, English carved Portland Stone keystone, Edwardian c.1905, with a female mask to the
Category
Early 20th Century English Classical Roman Antique Keystone
Materials
Limestone
19th Century Victorian Carrara Marble Mantel Keystone
Located in Stamford, CT
A 19th Century Victorian carrara marble mantel keystone with a carved scallop shell. This is a
Category
Late 19th Century American Antique Keystone
Materials
Carrara Marble
Antique Carved Limestone Keystone of a Queen
Located in Wormelow, Herefordshire
An antique carved limestone keystones of a Queen, salvaged from a period building in East Anglia
Category
Mid-18th Century English Georgian Antique Keystone
Materials
Stone, Limestone, Steel
Antique Limestone Keystone of an English King
Located in Wormelow, Herefordshire
An antique carved limestone keystones of an English king, salvaged from a period building in East
Category
Mid-18th Century English Georgian Antique Keystone
Materials
Stone, Limestone, Steel
19th Century Victorian Marble Fireplace Mantle Keystone
Located in Vero Beach, FL
19th Century Victorian Marble Fireplace Mantle Keystone
Delicately carved architectural cartouche
Category
19th Century Antique Keystone
Materials
Carrara Marble
Victorian Portland Stone Keystone Heads, 17th Century
Located in London, GB
A set of Five Victorian Portland Stone Keystone Heads
Three depicted as the Green Man, with beards
Category
17th Century Victorian Antique Keystone
Materials
Marble
Price Upon Request
Large Antique Stoneware Keystone Attributed to Blanchard
By Blanchard
Located in Wormelow, Herefordshire
A very large and unusual antique stoneware keystone attributed to Blanchard (unsigned), circa 1865
Category
Mid-19th Century English Georgian Antique Keystone
Materials
Stoneware
A Coade Keystone of Minerva Dated 1794
Located in Wormelow, Herefordshire
A Coade Keystone of Minerva Dated 1794. Stamped Coade, London, and is dated 1794. Minerva is known
Category
Late 18th Century Antique Keystone
Materials
Coade Stone
3 Monumental Antique Carved Keystones London Building Facade
Located in Ware, GB
Magnificent Portland stone Keystones, reclaimed from Lower Regents Street, London.
The impressive
Category
19th Century British Baroque Antique Keystone
Materials
Stone
Antique Lipscombe & Co Glazed Terracotta Green Man Keystone
Located in Wormelow, Herefordshire
An antique Lipscombe & Co glazed terracotta keystone of a Green Man mask, reclaimed from a British
Category
Late 19th Century English Georgian Antique Keystone
Materials
Terracotta
Antique Renaissance Style Carved Sandstone Corbel or Keystone
Located in St Annes, Lancashire
Wonderful stone carving of a kings face.
Probably English.
I have dated it at least, 19th century. It is most likely earlier than this. Difficult to be precise.
Free UK shipping
Category
Mid-19th Century English Renaissance Antique Keystone
Materials
Sandstone
Continental '19th Century' Porcelain Keystone Shaped Wall Mirror
Located in Queens, NY
Continental, possibly German, '19th centurty' white porcelain keystone shaped wall mirror with
Category
19th Century German Neoclassical Antique Keystone
Materials
Porcelain
Continental '19th Century' Porcelain Keystone Shaped Wall Mirror
Located in Queens, NY
Continental (possibly German 19th century) white porcelain keystone shaped wall mirror with yellow
Category
19th Century German Neoclassical Antique Keystone
Materials
Porcelain
Antique Glazed Terracotta Green Man Keystone by Lipscombe & Co
By Lipscombe & Co.
Located in Wormelow, Herefordshire
An antique Lipscombe & Co. (stamped) glazed terracotta keystone of a Green Man mask, reclaimed from
Category
19th Century English Antique Keystone
Materials
Terracotta
Antique Neoclassical Carved Marble Mantel Keystone Architectural Element - Pair
Located in Philadelphia, PA
Antique Neoclassical Carved Italian Carrara Marble Mantel Keystone Architectural Elements - a Pair
Category
Early 20th Century Unknown Neoclassical Antique Keystone
Materials
Marble
Pennsylvania 1888 Antique Map – The Keystone State, Southeastern Railroads
Located in Langweer, NL
Antique Map of Southeastern Pennsylvania – Rand McNally, circa 1888
This antique map of southeastern Pennsylvania was published by Rand, McNally & Co. around 1888, taken from one of...
Category
Late 19th Century American Antique Keystone
Materials
Paper
Manitoba Antique Railroad Map c.1888 – Keystone Province Cities & Towns
Located in Langweer, NL
Antique Map of Manitoba, Canada – Rand McNally, circa 1888
Description:
This antique map of Manitoba was published by Rand, McNally & Co. around 1888. It offers a detailed look at t...
Category
Late 19th Century American Antique Keystone
Materials
Paper
Northeastern Pennsylvania Antique Map c.1888 – Keystone State Cities & Counties
Located in Langweer, NL
Antique Map of Northeastern Pennsylvania – Rand McNally, circa 1888
This antique map of northeastern Pennsylvania was published by Rand, McNally & Co. around 1888. Taken from one of...
Category
Late 19th Century American Antique Keystone
Materials
Paper
Southwestern Pennsylvania Antique Map c.1888 – Keystone State Counties & Cities
Located in Langweer, NL
Antique Map of Southwestern Pennsylvania – Rand McNally, circa 1888
This antique map of southwestern Pennsylvania was published by Rand, McNally & Co. around 1888. It comes from the...
Category
Late 19th Century American Antique Keystone
Materials
Paper
Pennsylvania Antique Map c.1888 – The Keystone State, Northwestern Counties
Located in Langweer, NL
Antique Map of Northwestern Pennsylvania – Rand McNally, circa 1888
This finely detailed antique map of northwestern Pennsylvania was published by Rand, McNally & Co. around 1888. I...
Category
Late 19th Century American Antique Keystone
Materials
Paper
Antique French Carved Keystone Mascaron Building or Garden Ornament, Circa 1850
Located in Dallas, TX
More information coming soon…
Originally the keystone for a French architectural item, this highly
Category
Mid-19th Century French Antique Keystone
Materials
Stone
17th Century Spanish Pair of Hand Carved Church Arched Vault Keystones
Located in Marbella, ES
17th century Spanish pair of hand carved church arched vault keystones.
Category
17th Century European Antique Keystone
Materials
Stone
Antique 14k Solid Yellow Gold Waltham Pocket Watch Keystone Hunter Case Monogram
By Waltham
Located in Greer, SC
by Keystone. This pocket watch is circa late 1800's to early 1900's and features a monogram front
Category
Early 20th Century Unknown Antique Keystone
Materials
14k Gold, Yellow Gold
Antique Keystone by Whiting Youth Sterling Silver Fork, Knife & Spoon Boxed Set
By Whiting Manufacturing Company
Located in Philadelphia, PA
A fine boxed youth utensil set.
By Whiting.
In sterling silver.
In the Keystone pattern
Category
Early 20th Century American Aesthetic Movement Antique Keystone
Materials
Sterling Silver
16th Century Spanish Keystone Wedged Where Arches Meet at the Apex of a Vault
Located in Marbella, ES
16th century Spanish round shaped keystone wedged in the ceiling, where arches meet the apex of a
Category
16th Century European Antique Keystone
Materials
Stone
Large Antique Victorian Carrara Marble Arched Chimneypiece
Located in Ware, GB
a distinctive central keystone. A deep, refined shelf rests on substantial scrolled corbels set
Category
17th Century Antique Keystone
Materials
Carrara Marble
English Corner Cabinet of Pine from the Georgian Era
Located in Austin, TX
, featuring crown moulding, a moulded column arch with decoratively-carved keystone, scroll-work foliage and
Category
Early 19th Century English Georgian Antique Keystone
Materials
Metal, Brass
Elgin 14K Gold Open-Face Pocket Watch 21-Jewel Movement, circa 1899
By Elgin
Located in Miami, FL
hallmarked 14K Keystone solid-gold case.
The movement is the standout: a beautifully damaskeened 21-jewel
Category
1890s American Antique Keystone
Materials
14k Gold
$6,796 Sale Price
20% Off
Early Georgian Stone Fireplace Surround
Located in Twickenham, GB
tapered and fluted keystone, the aperture framed with bead moulding.
English, c.1710.
This fireplace
Category
Early 18th Century English Queen Anne Antique Keystone
Materials
Limestone
Victorian 14K Gold Masonic Royal Arch Pendant with Enamel and Engraving
Located in Venice, CA
This 14k gold keystone shaped pendant can be attributed to the Royal Arch Masonry Chapter of the
Category
1890s American Victorian Antique Keystone
Materials
14k Gold, Yellow Gold, Enamel
Biedermeier Lyra Secretary Desk, circa 1830
Located in Greding, DE
, quatrefoils, and keystones. The central compartment opens via a concealed mechanism located in the drawer
Category
1830s German Biedermeier Antique Keystone
Materials
Brass
C19th English Victorian Carrara marble fireplace, in the French Style
Located in London, GB
curvaceous shelf with egg and dart mould to the front edge, the frieze with spandrels centred by keystone
Category
Late 19th Century British Victorian Antique Keystone
Materials
Carrara Marble
Antique French Alep Breccia Marble Mantel
Located in Dallas, TX
. This exquisite piece showcases a hand-carved motif adorning the keystone, complemented by elegantly
Category
19th Century French Antique Keystone
Materials
Marble
A Queen Anne Blackened Sandstone Frame Chimneypiece
Located in London, GB
frieze is centred with a keystone carved in a patera of concentric leaves.
Original sandstone insert
Category
Early 18th Century English Queen Anne Antique Keystone
Materials
Sandstone
A Reclaimed 18th Century Style Bolection Stone Fireplace Mantel
Located in London, GB
frieze with plain incised keystone to centre. The C scrolled cushion moulding supporting a wide stepped
Category
Early 20th Century English Georgian Antique Keystone
Materials
Stone
Seated Woman
Located in Paris, Île-de-France
engineering.
Far from an isolated curiosity, Seated Woman emerges as a keystone—clarifying Schubert’s
Category
1920s Modern Antique Keystone
Materials
Ink, Magazine Paper
Architectural Welsh Low Dresser
Located in Greenwich, CT
banks of drawers flanking a central arched door with keystone and compass star inlay, and standing on
Category
Mid-18th Century Welsh Antique Keystone
Materials
Oak
An Early 18th Century George I Irish Kilkenny Marble Frame Chimneypiece
Located in London, GB
With a fluted keystone, flanked by fielded panels to the frieze, on original footblocks.
Height 57
Category
Early 18th Century Irish George I Antique Keystone
Materials
Marble
An Early 18th Century George I Irish Irish Kilkenny Marble Frame Chimneypiece
Located in London, GB
With a fluted keystone, flanked by fielded panels to the frieze, on original footblocks.
Height
Category
Early 18th Century Irish George I Antique Keystone
Materials
Marble
An Early 18th Century Irish Frame Chimneypiece in Kilkenny Fossil Marble
Located in London, GB
central stylised
keystone.
Dimensions
Height 47½in (121cm) width 52in (132cm)
Internal height 42in (107cm
Category
Early 18th Century Irish Antique Keystone
Materials
Marble
An Elegant Limestone Queen Anne Period Frame Chimneypiece
Located in London, GB
elegant keystone.
Height 51 in (129cm) width 39 in (99cm)
Internal height 32 in (81.5cm) width 37 1/2 in
Category
Early 18th Century English Queen Anne Antique Keystone
Materials
Limestone
1891 Waltham Ladies Hunting Case Pocket Watch
By American Waltham Watch Co.
Located in Chapel Hill, NC
1891 Waltham Ladies Hunting Case Pocket Watch. 14k yellow gold filled. Case #6590704 by Keystone
Category
1890s American Aesthetic Movement Antique Keystone
Materials
Gold
An Early Eighteenth Century Carrara Marble Fireplace of Geometric Form
Located in London, GB
An Early 18th Century Carrara Marble Fireplace.
The frieze decorated with a central keystone with
Category
Early 18th Century English Georgian Antique Keystone
Materials
Marble, Carrara Marble
Set of 6 Antique French Louis XVI Dining Chairs
Located in Dallas, TX
with keystone-shaped seatbacks contoured for comfort with dished out corners providing no sharp corners
Category
Early 20th Century French Louis XVI Antique Keystone
Materials
Fabric, Oak
Howard Stainless Steel Art Deco Exhibition Back Watch, circa 1920's
By Howard
Located in Long Beach, CA
acquired by the Keystone Watch Case Company. Keystone continued to produce Howard watches under the Howard
Category
1920s American Art Deco Antique Keystone
Antique Petite French Carved Oak Secretary Writing Desk Table Louis XVI c1890
Located in Shreveport, LA
, each having carved foliate scroll front panels, flanked by carved keystones~
~Desk top has wide carved
Category
19th Century French Louis XVI Antique Keystone
Materials
Oak
A Victorian Chimneypiece of Robust Architectural Form in Carrara Marble
Located in London, GB
A late Victorian Carrara marble fireplace with arched moulded opening, headed by a corbel keystone
Category
Late 19th Century English Late Victorian Antique Keystone
Materials
Marble, Carrara Marble
Antique Reclaimed Neo-Gothic Carved Tan Marble Mantel
Located in New York, NY
delicate foliate carvings and topped with a sculpted keystone—perhaps a leafy boss or subtle grotesque
Category
Early 20th Century Gothic Antique Keystone
Materials
Marble
Antique Italian Statuary White Marble Baroque Style Fireplace Mantel
Located in London, GB
large figural keystone tablet again in high relief of embracing sculptured winged Putti. All beneath a
Category
Mid-19th Century Italian Baroque Antique Keystone
Materials
Statuary Marble
Howard 14Kt Solid Gold Open Faced Pocket Watch 1925 Flawless Enamel Dial
By Howard
Located in Long Beach, CA
Company was acquired by the Keystone Watch Case Company. Keystone continued to produce Howard watches
Category
1920s American Art Deco Antique Keystone
Materials
Gold
Grand Portoro Marble & Serpentine Marble Fireplace Mantel
Located in London, GB
with crisplycarved Cornish serpentine dentils. Under this, the central keystone, ionic capitals and
Category
1860s British High Victorian Antique Keystone
Materials
Marble
Antique Black Marble Fireplace from the Early Victorian Period, circa 1850
Located in Tyrone, Northern Ireland
shaped mantelpiece with moulded edges, curves forward over the keystone. The recessed panelled keystone
Category
19th Century English Early Victorian Antique Keystone
Materials
Marble
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Antique Keystone For Sale on 1stDibs
At 1stDibs, there are many versions of the ideal antique keystone for your home. Frequently made of stone, metal and limestone, every antique keystone was constructed with great care. You’ve searched high and low for the perfect antique keystone — we have versions that date back to the 18th Century alongside those produced as recently as the 20th Century are available. An antique keystone, designed in the Neoclassical, Victorian or Baroque style, is generally a popular piece of furniture. A well-made antique keystone has long been a part of the offerings for many furniture designers and manufacturers, but those produced by Keystone Manufacturing Company and Keystone Iron & Steel Works are consistently popular.
How Much is a Antique Keystone?
The average selling price for an antique keystone at 1stDibs is $1,600, while they’re typically $450 on the low end and $24,000 for the highest priced.
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