This is a vintage #1 Dad white gold tie tack. It has a tiny 1.7mm diamond in the middle of the #. A perfect gift for the greatest dad! The pin measures: 11/16 inch (11.25mm) long 1/2 inch (13.68mm) wide It is marked 14k on the back It weighs 1.2 grams (without the back) The pin is in good condition. It shows some some wear from being an estate piece of jewelry. Please inspect photos closely before purchasing. This item will be shipped fully insured in the United States. Just send me a message if you have any more questions about this piece.