Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer P. S-M19; KM-45. 23.25 grams. Choice full shield with clear oMP, nearly full cross, light corrosion on edge. With Marex tag #91-8R-0593. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $200-300