1855-O Gold Dollar. Type II. Winter-2. AU-55 (NGC).Bright golden-olive surfaces are satiny and pleasingly smooth. As the final New Orleans Mint gold dollar issue and the only one of the brief and challenging Type II design, the 1855-O is a significant and desirable issue in all grades.PCGS# 7535. NGC ID: 25C7.From the Steve Studer Collection.