1989 American Eagle Gold Proof 4 Coin Set. In original US Mint Box with COA.The item "1989 American Eagle Gold Proof 4 Coin Set AGE in Box with COA" is in sale since Wednesday, June 17, 2020. This item is in the category "Coins & Paper Money\Bullion\Gold\Coins". The seller is "juliancoin" and is located in Silver Spring, Maryland. This item can be shipped worldwide.