2017-W American Eagle Platinum Proof 1 Troy Oz. 9995 Fine 20th Anniversary Coin.In original US Mint Box with COA. The item "2017-W American Eagle Platinum Proof 1 Oz. Coin in Box with COA" is in sale since Saturday, March 21, 2020. This item is in the category "Coins & Paper Money\Bullion\Platinum\Coins". The seller is "juliancoin" and is located in Silver Spring, Maryland. This item can be shipped worldwide.