Mexico City, Mexico, cob 8 reales, 1640(P).S-M19; KM-45; Cal-1330.25.37 grams.Typically barrel-shaped flan with full 40 of date, good cross, off-center shield, peripheral flatness and light surface corrosion, patchy toning. From: Concepcion, sunk in 1641 off Hispaniola
($200-300)