Watch List notes:

Mexico City, Mexico, cob 4 reales, Philip IV, assayer not visible. KM-38. 13.27 grams. Darkly toned with minimal surface corrosion, a bit concave with partial shield and cross details. Pedigreed to the Isaac Rudman Numismatic Cabinet, with card from the salvors. From: Concepcion, sunk in 1641 off Hispaniola
($125-200)