The American Silver Eagle Coin is a standout among the most lovely available and is produced from .999 immaculate silver. By law, the these American Silver Eagle coins could be stamped just with U.S. -mined silver. The San Francisco Mint continued handling of these coins in 2011, supplementing processing at the West Point Mint. Non-evidence Silver Eagles don't have a mint stamp, making those printed in West Point and San Francisco unclear.