Mexico City, Mexico, cob 2 reales, Philip IV, assayer P. S-M19; KM-33. 5.51 grams. Good full cross, nearly full shield, bold oM but weak assayer, minimal surface corrosion, toned on fields. With Marex certificate and tag #0645. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($150-225)