A Bohemian Moser 'Oroplastic' covered glass bowl, circa1920, a royal blue circular bowl with a flat fitted lid and raised on four bun feet, with a gold heightened frieze in the 'Oroplastic' acid cut back technique depicting a classical battle between a warrior and a centaur, the lid with a conforming floral band to the rim; with etched signature, 'Moser Karlsbad' underside. Height 8 cm. Diameter 14.5 cm