543 - Wine glass “Schwarzring,” Josephinenhütte, Schreiberhau, c. 1900. Colorless glass. Bell-shaped bowl. Slender, round stem, cut with six facets at the base of the bowl. Bowl featuring a finely executed geometric pattern in gold and black solder, interspersed with geometric-abstract ornaments in blue, white, and gold opaque enamel colors. The top of the foot also features an ornamental line pattern with gold and blue dots. Below the rim and on the top of the foot, there is a black ring on each. Stem with a black solder ring outlined in gold. Gilded lip and foot rim. H. approx. 19.8 cm. SCHRÖDER, Udo, Drinking glasses from Art Nouveau to Art Deco. Hamburg 1998, p. 46f.