Mexico City, Mexico, cob 8 reales, Philip IV, assayer P. S-M19; KM-45. 25.76 grams. Typical barrel shape with shield (full) lined up with bulge, bold oMP and 8, full cross, minimal corrosion but several tiny edge-splits, lightly toned. With Marex certificate and tag #1812. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island ($200-300)