Never worn. Have original packaging. PLEASE NOTE AND SEE PICS: The initials “SMD” are in cursive on the BACK of the dog tag. 18k gold plated, adjustable chain. 16" chain + 2" extender. Adjustable in 1 inch increments 16" - 18" Dog tag measures 1/4" by 7/16" Spring ring closure All other hardware is 18k gold plated brass Avoid contact with anything containing derivatives of alcohol