Cartier sapphire, amethyst and diamond pin. Set with one central tapered French cut sapphire in an open back rubover setting with an approximate weight of 0.30 carats, further set with one marquise shape old cut amethyst in an open back rubover setting with an approximate weight of 0.30 carats, bordered by nine round eight cut diamonds in open back grain settings with a combined approximate weight of 0.20 carats, all to an angular pin design featuring polished edges, a linear pierced gallery and open backholing. Tested platinum, marked 'CARTIER', with maker’s mark for Andrey, French, circa 1920.
