^Lot 179 MEXICO, Mexico City, cob 4 reales, Philip IV, assayer not visible.

MEXICO, Mexico City, cob 4 reales, Philip IV, assayer not visible. KM-38; Cal-Type 275. 13.23 grams. Broad, roundish flan with blunted points on edge, bold denomination 4 and nice partial shield and cross despite extensive peripheral flatness, lightly toned, practically corrosion-free. With original certificate from Captain Tracy Bowden through his contract with the Dominican Republic. Recovered from: Concepción, sunk in 1641 off Hispaniola