Riessner, Stellmacher and Kessel, known as Amphora due to the mark on its designs, was an earthenware and porcelain manufactory based in Turn-Teplitz, Austria (now the Czech Republic), a region with an abundant supply of kaolin, an essential element of porcelain. Amphora designers and craftsmen produced pieces of high quality and remarkable variety in step with the development of styles by their counterparts in Vienna. The manufactory produced several patterned, gilded, and bejeweled lines, including the _Juwelen, _or "Klimt," series that reflected the aesthetic of the Vienna Secession.

Adapted from

Samantha Robinson, "Modern Opulence in Vienna: The Wittgenstein Vitrine" Label text (2014.59.4), 2014