Bidspirit auction | Boma Sterling Silver Art Deco

Boma Sterling Silver Art Deco Style Onyx Marcasite and Amethyst Bar Brooch - Boma sterling silver bar brooch in the Art Deco revival style. The geometric design features a tapered black onyx wedge accented by a border of pavé-set rose-cut marcasites and a single emerald-cut amethyst. The reverse is stamped 925 and BOMA and is fitted with a horizontal pin and rollover safety catch. Length: 7.5 cm Weight: 10.2 grams.