Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P. S-M19; KM-45. 25.10 grams. Superb full cross, nice full shield with bold oMP, clear 164 of date, minimal surface corrosion, toned all over. With certificate. Concepcion, sunk in 1641 off Hispaniola

Estimate: $150-225