This wonderful heart shaped vintage charm in 9K yellow gold is a lock that actually opens! Hand engraved on the front side and bearing English hallmarks from the London Assay office, it dates from the year 1966. Measuring 13/16 inch high by 9/16 inch wide, it features 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 special charm bracelet.