Antique Edwardian Sterling Silver Heart Pendant

Rare Late Edwardian sterling silver heart pendant depicting two doves on the front. The back has a plane area for engraving a name. The inside is made if some kind of glass. The engraving is just beautiful with so much detail. This is a large piece measuring approximately 1.5 at top and 1.5 in length. The tip has a small area that has some discoloration. Tested positive for sterling. I have not cleaned the sterling. Smoke free environment.