1854-O Three-Dollar Gold Piece. VF-35 (PCGS).This well balanced, warmly patinated coin has a clear O mintmark and most other devices boldly defined for the grade. As the sole New Orleans Mint three-dollar gold piece, the scarce 1854-O enjoys strong numismatic demand in all grades.From the Boston Old City Hall Collection. Earlier ex our (Coin Galleries) sale of November 1982, lot 2355. Lot tag included.