Graduate Diploma Charm Layered Over 2018 Penny Keychain - Good Luck to the New Graduate; Graduation Gift Graduate Diploma Graduation Keychain Gift, Lucky penny keychain Packaged on a card with saying "Good luck to the new graduate!" Graduation Gift, Class of 2018 Gift, Graduate Gift Metal: 2018 US Penny, diploma charm is zinc alloy Net Weight: About 20 g.