Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P. S-M19; KM-45. 20.76 grams. Bold full cross, clear oMP, crude shield with moderate surface corrosion. With Marex tag #91-8R-0741. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $200-300