C. 1950. A masterclass in Retro-era artistry -- sleek silhouettes, clean lines, bright shine. From our Estate collection, this very chic cir… C. 1950. A masterclass in Retro-era artistry -- sleek silhouettes, clean lines, bright shine. From our Estate collection, this very chic circle pin celebrates them all in a fantastic 14kt yellow gold design with a rich .50 carat square garnet centered on a glossy 14kt rose gold bow. Revolver safety. Garnet circle bow pin. Exclusive, one-of-a-kind Estate Jewelry.