Watch List notes:

Mexico City, Mexico, cob 8 reales, 1618/7D/F, rare. S-M18; KM-unl. 26.07 grams. Full 1618/7 date and oM and denomination, the D/F assayer a bit weaker but certain, solid flan with virtually no corrosion but much weak strike, the shield and cross otherwise full, nicely toned. Pedigreed to the Sao Jose research collection, with certificate, booklet, DVD and NGC tag #1974067017. Recovered from: Sao Jose, sunk in 1622 off Mozambique, east of Africa

Estimate: $400 - 600