925-thousandths silver flat-bottomed cup, engraved with a frieze of ribboned rushes, monogrammed "MB" within a leaf-decorated medallion (scratches and oxidation). Silversmith: Roger SONNIS, active from 1914. Height: 8 cm. Weight: 94 g. Also included is a flat-bottomed goblet in 915 Spanish silver, with a filleted rim. Height: 7 cm. Weight: 58 g.