Mint is one of leading mints in the world Gold Eagles contain 1 troy ounce (1oz) of gold.GoldCore have been offering gold bullion coins including Gold Eagles for sale to American investors since our inception in 2003. American Eagle gold coins and monster boxes of American Gold Eagles are some of the most popular gold bullion coins in the U.S. The Gold American Eagle is the official, legal tender gold bullion coin of the United States. A 1 oz American gold eagle coin is a gold bullion coin produced by the U.S.