Vintage 1970s NASDS gold-toned diver pendant with slot for medical information and included silver chain. Overall length approximately 17″ with pendant; pendant dimensions approx 1″ x 1.5″ x 2″. Good pre-owned condition with light surface scratches and patina consistent with age. Functional clasp and slot for id/medical details, suitable for collectors or everyday wear. Back stamped: “Microfilm Personal-medical diving history enclosed 1979 N.A.S.D.S.”