2010 United States Mint, American Eagle Platinum Coin Program: Preamble Series- "To Establish Justice". The item "2010 US Mint 1 oz Proof Platinum American Eagle Coin Program Preamble Series" is in sale since Wednesday, December 6, 2017. This item is in the category "Coins & Paper Money\Bullion\Platinum\Coins". The seller is "benzfanatik" and is located in Arlington Heights, Illinois. This item can be shipped to United States.