Watch List notes:

Mexico City, Mexico, cob 8 reales, 1732F, NGC genuine / Vliegenthart Treasure. S-M26; KM-47a; CT-764. 26.29 grams. Full oMF, bold 73 of date, nearly full but weak shield and cross, light surface corrosion, dark spots. NGC #4483523-037. Vliegenthart, sunk in 1735 off Zeeland, Netherlands

Estimate: $300-450