Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, Grade 1, with original tag but certificate missing. 25.90 grams. Nice full shield and cross, no corrosion (just a few small pits), lightly toned. Pedigreed to the Thomas Gray collection and formerly displayed at the ANA Money Museum's "Treasures of the Deep" exhibit (2014-15), with Fisher tag #211491. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $300 - 450