Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P. S-M19; KM-45. 26.54 grams. Full oMP, full but weak shield and cross, solid and nearly uncorroded, uneven toning. With Marex tag #91-8R-1871. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $200-300