Dual duty Half Dollar Coin Bottle Opener and Keychain is perfect for your pocket or purse. The 3.63 by 1.5 inch hi-polished silvertone finish keychain bottle opener holds a genuine United States Half Dollar. The dual-dated 1776-1976 JFK Bicentennial Half Dollar was minted in only in 1975 and 1976. It was minted to commemorate the 200th anniversary of the Declaration of Independence. Comes in a white jewelry box along with a Certificate of Authenticity.Mint marks and years may vary.