Watch List notes:

Mexico City, Mexico, cob 4 reales, 1640/39P. S-M19; KM-38 for type; Cal-unl. 12.77 grams. Bold date (rare, missing in Calico) and oMP, most of shield and cross despite flatness, minimal corrosion, some patchy toning. Recovered from: Concepcion, sunk in 1641 off Hispaniola
($150-$225)