![French work from the 1940s French work from the 1940s](https://api.piasa.fr/cache/original/catalog/images/1932/62_1.jpg)
French work from the 1940s "Tank" ring in 18k yellow gold and platinum paved with diamonds and set with two old cut diamonds.
![Bague tank asymétrique Circa 1940-1950 en or jaune 18 K (750°/°°) et platine, le motif central carré, Vente aux enchères : Argenterie - Orfèvrerie - Métal argenté Bague tank asymétrique Circa 1940-1950 en or jaune 18 K (750°/°°) et platine, le motif central carré, Vente aux enchères : Argenterie - Orfèvrerie - Métal argenté](http://www.encheres-nantes-labaule.com/uploads/catalogue/affectation/images/S3342-79_1.jpg)
Bague tank asymétrique Circa 1940-1950 en or jaune 18 K (750°/°°) et platine, le motif central carré, Vente aux enchères : Argenterie - Orfèvrerie - Métal argenté
![La Toucan La Toucan](https://images.squarespace-cdn.com/content/v1/55472533e4b0e11ffa904e28/1556885053378-1V4X77VDGD5GP030U5QX/ADR1598-bague-tank-or-j%25E2%2580%2599aime-diamants-volute-1940-vintage-chic-mariage-bague-ancienne-01.jpg?format=1500w)