Watch List notes:

Mexico City, Mexico, cob 8 reales, 1639 P. S-M19; KM-45; Cal-1328. 17.58 grams. Thin from corrosion but with bold full oMP, about half of shield and crown and cross visible among flatness, just the bottoms of 39 date visible (not 100% certain), some light toning. With certificate and tag 115002. From: Concepcion, sunk in 1641 off Hispaniola
($200-300)