^Lot 143 MEXICO, Mexico City, cob 8 reales, Philip IV, assayer not visible (D).

MEXICO, Mexico City, cob 8 reales, Philip IV, assayer not visible (D). S-M18a; KM-45; Cal-Type 319. 24.96 grams. Roundish flan with choice full cross, nearly full shield with bold details despite light surface corrosion on that side, flat peripheries (unevenly thick), nicely toned. With original certificate from Captain Tracy Bowden through his contract with the Dominican Republic. Recovered from: Concepción, sunk in 1641 off Hispaniola