Mexico City, Mexico, cob 4 reales, Philip IV, assayer not visible. KM-38. 12.58 grams. High grade piece with next to no saltwater corrosion, spotty dark toning above bold partial shield, complete cross. Pedigreed to the Isaac Rudman Numismatic Cabinet, with card from the salvors. From: Concepcion, sunk in 1641 off Hispaniola
($125-200)