This 5 oz. Proof Silver Dollar Apollo 11 Commemorative is perfect for patriotic collectors, as well as those with a pioneering spirit. The coin is one of seven issued to mark the 50th anniversary of one of the greatest accomplishments in human,and American, history: man's first landing on the moon. The seminal event in space exploration, the landing was not just an achievement in terms of science and technology, but also America's marquis victory in the Cold War's space race. This coin was struck from five ounces of .999 fine silver at the Philadelphia Mint and bears that mint's "P" mint mark on the obverse. It is part of a mintage of 100,000 pieces.