The $50 One-Ounce American Gold Eagle was designed by Augustus Saint-Gaudens(obverse) and Miley Busiek(reverse) until its redesign in 2021. Weighing 33.931 grams and composed of .9167 gold, .03 Silver, .0533 copper (netting 1oz gold). These coins are 32.7mm in diameter, have reeded edges, and are produced in an Uncirculated and Proof version.