Vintage Sterling Silver 925 Square Framed Hearts Ring Hallmarked Size 7.5

Double hearts Antique Sterling Silver 925 Ring has a polished & oxidized (the black) finish. There is a logo on the back -that looks like a d or a b I don’t know the maker It is very difficult to see. It is also stamped 925. The ring is very well made and good quality. Weight 6.26 grams. Height .58” Width .74”