1855-O Gold Dollar. AU-55 (PCGS).Substantial mint luster floods the fields of this beautiful jewel from the New Orleans mint. The surfaces are handsomely preserved, sporting uniform, gentle wear. Rich yellow-gold in color and offering superior eye appeal for the assigned grade. As the last New Orleans Mint gold dollar, the 1855-O is a significant and desirable issue. Though 55,000 examples were struck, most circulated heavily and examples are rarely encountered in Choice AU or finer.