Sonically Sealed Crystal Tube.
These 20 Silver Eagle Coins, all dated 1997, are sonically sealed in a crystal NGC tube. Each coin is graded Brilliant Uncirculated by Numismatic Guaranty Corporation. Containing 1 troy ounce of .999 fine silver, the American Silver Eagle Coin is one of the most highly recognized silver bullion coins in the world. Buy Silver Eagle Coins to add to your silver coin collection. APMEX makes it easy to buy silver by offering competitive silver prices on all silver bullion coins.