Watch List notes:

Mexico City, Mexico, cob 4 reales, 1620/19 (D), Grade 3. S-M18; KM-unl (37.2 for type); Cal-unl. 10.60 grams. Full but crude final digit of date (not mentioned on tag or certificate), nearly full shield and cross despite moderate corrosion (mostly on reverse), toned all over. With original Fisher tag and certificate 85A-208124. Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 800 - 1200 USD