For sale is a Guardian Angel Silver dollar certified by the American Historic Society. The certificate of authenticity and protective box are included. The certificate reads:This Certificate of Authenticity attests to the fact that the coins in this collection are genuine United States coinage. Genuine U.S. Coins were produced in limited quantities by the United States, authenticated and inspected for quality by professional numismatists, and certified in Collectible Condition by The American Historic Society.