Art Nouveau vase with glass cabochonsRiedel. Josef Riedel, Polaun, c. 1905. Bohemia. In brown tones stone glass marbled opal glass, gold staffage, enamel painting. H 15 cm. High rectangular vase with gold rim, on both sides a geometric pattern of white lines and golden partial background and applied glass cabochons in moonstone and turquoise look 1 turquoise cabochon missing, 1 cut edge minimally bumped.