Watch List notes:

Potosi, Bolivia, cob 8 reales, (162)0T, mintmark "phi," quadrants of cross transposed, Grade 1, ex-Hebert. S-P21; KM-10; CT-136. 26.46 grams. Very bold mintmark as retrograde P over P (looks like the Greek letter phi) above equally bold + and assayer T, nice full shield, super full cross-and-tressure with clear final digit of date, no corrosion, attractively toned. Pedigreed to the Classics collection, with Fisher/Miguel tag and photo-certificate #H-675. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $800-1200