The G$1 Gold coin, commonly known as the Indian Head Gold Dollar, was minted by the United States from 1849 to 1889. The specific coin from 1866 features the iconic Indian head design on the obverse and a detailed depiction of a laurel wreath on the reverse. This collectible coin contains approximately 1/10 ounce of gold and is highly sought after by numismatists due to its historical significance and gold content. Coins from specific years, such as 1866, may feature variations that affect their rarity and value.