The 1999 Gold Eagle Ten Dollar coin is a bullion coin produced by the United States Mint, featuring a design that highlights American themes and symbols. It contains a composition of 91.67% gold, 3% silver, and 5.33% copper, with its gold content equating to one-tenth of an ounce. The obverse depicts Augustus Saint-Gaudens' famous depiction of Lady Liberty, while the reverse showcases a family of eagles. Coins minted in Philadelphia do not carry a mintmark, and collectors often seek these pieces for their gold content as well as their numismatic appeal.