Tank ring in yellow gold 750 thousandths and platinum 850 thousandths, the sculptural bezel centered with three old-cut diamonds, shouldered by fourteen calibrated synthetic sapphires (ring slightly deformed). Circa 1940. Estimated total weight of diamonds: 0.25 ct Total estimated weight of synthetic sapphires: 0.90 ct Finger: 50 - Gross weight: 11.3 g