Watch List notes:

Potosi, Bolivia, cob 4 reales, (1)618PAL, Grade 1, rare. S-P20; KM-9. 13.21 grams. Bold P-PAL next to full shield under full crown, full but weaker cross with clear 18 of date, very little corrosion but weak in centers. With Fisher/Sinclair certificate #237150. Recovered from: Atocha, sunk in 1622 west of Key West, Florida

Estimate: $900 - 1350