Rene Boivin (attr.) French Art Deco brooch set with a large rectangular aquamarine and diamonds set in a geometric platinum and matte finish 18K yellow gold, signed c. 1930’s
Van Cleef & Arpels, New York, Art Deco “Heraldic” ring in 18k gold with stylized geometric flanges on either side of the platinum rectangular plaque with an intaglio carved Coat of Arms, signed Van Cleef & Arpels, NY, 9398, c.1930
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