Watch List notes:

Mexico City, Mexico, cob 8 reales, 1639P. S-M19; KM-45; CT-334. 24.73 grams. Bold full oMP and full date, most of cross and shield but otherwise flat as usual, deeply toned, minimal surface corrosion. With generic certificate from the salvagers. Recovered from: Concepcion, sunk in 1641 off Hispaniola

Estimate: $250-375