Watch List notes:

Lot of 8 Mexico City, Mexico, cob 4 reales, Philip III, assayer F (where visible). 49.13 grams total. All thin from heavy corrosion (one fragmentary), a couple with brown encrustation, generally clear shields and crosses. Pedigreed to the David Horner collection. Recovered from: San Martin, sunk in 1618 off the east coast of Florida ($500-750)