Beautiful Authentic NGC Certified Piedmont Shipwreck 1666 Bolivia Silver 4 Reales Antique Spanish Colonial Half Dollar "Four Bits" Sunken Pirate Treasure Cob Coin! You will receive the exact item(s) from the p. Check out our other items for more Antiques, Collectibles, Coins & Currency. Check out our other items for more beautiful Antiques, Collectibles, Coins & Currency!