description1:Platinum, chrysoprase, and diamond set pin. A carved chrysoprase chalcedony is mounted in a vintage pin, circa 1930's. Single cut diamond accent the Art Deco design. The pin secures with a hinged pin stem and closure. It is cast and description2:assembled. tested platinum and has a total gross weight of 10.45 grams. 2in(5cm) X .5in(1.2cm) description3:Provenance: Property from Max Factor Family Collection. Proceeds from this Lot will support the Alzheimer's Association.