Mexico City, Mexico, cob 8 reales, Philip IV, assayer D. S-M18a; KM-45. 25.35 grams. Large, thick planchet with surface corrosion on nearly full cross, bold partial shield with clear mintmark and assayer and date 162(?), mostly toned. Recovered from: Concepcion, sunk in 1641 off Hispaniola
($150-$225)