Watch List notes:

Mexico City, Mexico, cob 8 reales, Philip IV, assayer not visible (P). KM-45. 25.65 grams. Barrel-shaped flan with crude edge (one corner upturned), silvery but solid, the cross full but most of coin flat (as made). Concepcion, sunk in 1641 off Hispaniola

Estimate: $125-200