Is the official Gold Bullion of the United States of America, they are manufactured in 1oz, 1/2oz, 1/4oz, 1/10 oz and these coins are guaranteed to contain the stated amount of actual gold weight in troy ounces. American Gold Eagle Coins must by law come from American gold mines only and be 22carat. These standards are authorised under the Gold Bullion Coin Act of 1985. Gold Eagles minted between 1986 to 1991 are dated with Roman numerals. In 1992, the United States Mint switched to Arabic numerals for dating the gold Eagles.
For further information Click United States Mint