Bidspirit auction | Art Deco Sterling Silver Onyx

Art Deco Sterling Silver Onyx and Marcasite Brooch - An Art Deco sterling silver onyx and marcasite brooch featuring a geometric, stepped rectangular frame. The piece is set with marcasite stones surrounding a central rectangular black onyx stone. This central stone is inset with an openwork silver panel also set with marcasites. The reverse side is stamped with a 925 hallmark and is fitted with a pin and safety clasp mechanism.