2016 American Silver Eagles, Mint Tube of 20 BU Coins. From my personal collection, these coins have only been out of the original US Mint tubes for these pictures. They are beautiful coins! The item “2016 American Silver Eagles, Mint Tube of 20 BU Coins, 0.999 fine” is in sale since Tuesday, February 2, 2021. This item is in the category “Coins & Paper Money\Bullion\Silver\Coins”. The seller is “spit-fire” and is located in Linden, Virginia. This item can be shipped to United States.