This vintage book locket charm dates from the 1950's and opens to reveal "pages" with space for 4 photos! With a blank oval on the front where you can engrave initials, it measures 1 1/16 high by 7/8 inch wide, with frames for 3 photos. It has a 14K yellow gold split ring bail that makes this charm perfect to wear on a favorite neckchain or easily and securely attaches this charm to a charm bracelet.