How do I identify a Loetz vase?

Bronze Mounted Iridescent Loetz Vase. Circa 1900, Art Nouveau An elegant Art Nouveau vase by Johann Loetz (1848–1933), featuring luminous iridescent glass in rich blue with green and...

A spectacular large Loetz Austria studio art glass vase, showcasing the exceptional craftsmanship and luminous iridescent effects for which Loetz glass is renowned. This impressive v...

Stylish Bohemian Silberiris Candia iridescent glass vase with brown handles by Johann Loetz Witwe and dating from around 1900. The simply shaped vase ref PN 85/5151 in the Loetz cata...

Dagobert Peche (1887-1923) - LOETZ - Antique Jugendstil clear cased red glass vase - rare form with hand painted black enamel floral sprigs alternating in two rows over the body - bl...

A gorgeous Art Nouveau period iridescent art glass vase By Loetz Austria, Early 20th Century Measures: 5"W x 5"D x 7.25"H. Good original vintage condition.

Loetz For Boudon And Klur Gilt Metal Monted Glass Vase. A highly sought after vase culminating the zenith of Loetz and the Art Nouveau design. Czech Republic Circa 1900 Rubin Ruby Papillon Decor Metal mount with indistinct impressed marks for Boudon and Klur Height: 10.5 Inches x 8 Inches wide x 5 Inches deep Condition: Very good with wear commensurate of age and use with some loss to gilt, The Loetz glassworks existed in Klostermuhle, Austria, for just over a hundred years, starting from 1840. But its heyday was during the life-time of Max Ritter Von Spaun, grandson of the original Johann Loetz who had founded the company. Von Spaun took over the company in 1879 and ran it until 1908, a year before his death. He was assisted by Eduard Prochaska, his technical specialist, and together they invented, designed and produced a whole series of wonderful new types of glass, taking out several patents and winning awards at all the major world exhibitions during the 1890's and the first years of the new century. The Loetz company were amongst the leaders in Art Nouveau design and expecially in irridescent art glass. "Papillon" glass, like the vase on the left, is sometimes known today as "oil spot" glass. Another favourite Loetz colouring was irridized glass with pulled trails called "Phenomenon" glass. There were irridized vases with ribbons of metallic colours winding over the surface, and many spectacular designs with applied trails of beautiful colours, or simply pulled out of the body of the glass to form handles or decoration. About 1900 the company started collaborating with outside designers, and some great artists designed pieces for Lotz, notably Joseph Hofmann, Koloman Moser, Maria Kirchner, and Hofstatter. In 1908 Loetz was taken over by Max Von Spaun's son, also called Max, and although it struggled financially (going through bankruptcy in 1911 and again in 1931) there were several great designers whose work was produced by Loetz during those years and through the art deco period. These included Adolf Beckert...