NGC Proof & Mint State 70. The item "2006 (3 Piece Set) 1oz Silver American Eagle NGC PR-70 & MS70 K5004" is in sale since Friday, October 12, 2018. This item is in the category "Coins & Paper Money\Bullion\Silver\Coins". The seller is "eerc" and is located in Tucson, Arizona. This item can be shipped to United States.