Watch List notes:

Mexico City, Mexico, cob 8 reales, 1731F. S-M26; KM-47a; CT-762. 25.48 grams. Thick, squarish flan with full date and oMF, partial shield and cross, very sharp, straight sides, light surface corrosion. Recovered from: Rooswijk, sunk in 1739 southeast of England
(200 - 300 USD)