Mexico City, Mexico, cob 4 reales, Philip IV, assayer P, ex-MAREX. S-M19; KM-38. 7.57 grams. Thin from heavy corrosion but with good full cross, bold oMP and most of shield. With original MAREX tag and photo-certificate 91-4R-3364. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island
Estimate: 200 - 300 USD