Vintage Hans Hansen Sterling Silver Oval Plaque Ring 1970s

A vintage Hans Hansen solid silver oval ring consisting of a large flat oval plaque mounted on a reverse tapered angled shank - marked for Sterling silver and for Hans Hansen of Kolding - total weight 19.8grms - overall dimensions of face 33 x 22mm - current ring size N AU/UK (US 6.5) - c.1970 Denmark