Tank ring, from the 1940s, French work. Centered on a blue synthetic stone in a shoulder of 4 white stones imitating diamonds. Typical Art Deco Tank setting. The setting is in vermeil, which is solid silver covered with 18-carat yellow gold (750 thousandths), we note slight traces of oxidation. Gross weight: 8.2 g TDD: 51 -51.5 (customization possible) Very good condition, beautiful Tank ring from the 1940s, finely crafted, ring with guaranteed effects! Free delivery with declared value in France, with insurance, accompanied by its invoice by email.