Vintage Sterling Silver Onyx Mother of Pearl Marcasite Cameo Pendant Brooch Pin

Absolutely beautiful carved mother of pearl cameo set against an onyx background, all framed within a marcasite-studded sterling silver brooch. Versatile piece as this can be worn as a brooch or as a pendant. Marked 925 for sterling. Also marked SU. The marcasite gemstones are all intact. Slight tarnishing in spots but in over all good vintage condition. Measures 1 3/8” x 7/8” t a g s: art deco, art deco revival, victorian, victorian revival, pyrite, shell, stone, abalone