^Lot 176 MEXICO, Mexico City, cob 4 reales, 1639 P, partially encrusted as found, rare.

MEXICO, Mexico City, cob 4 reales, 1639 P, partially encrusted as found, rare. S-M19; KM-38; Cal-1062. 13.68 grams. Most of date visible (albeit weakly) above and to left of full oMP, full but weak shield with partial dark toning, full cross with raised patches of orange encrustation, no visible corrosion. Recovered from: Concepción, sunk in 1641 off Hispaniola