Since its introduction in 1986, the Gold American Eagle coin has been in high demand every year. Today, the modern Gold Eagles are a whisper of history as they showcase the design that made its first appearance as American Gold coins in 1907 A distinguishing feature of the 1 oz Gold American Eagle coin is that it is minted in 22 karat (.9167 fine) gold, according to a standard established over 350 years ago. This makes the Gold American eagle coins more durable and resistant to scratching and marring.