Watch List notes:

Potosi, Bolivia, cob 4 reales, 1618, assayer not visible, Grade-2 quality but Grade 4 in database, certificate missing. KM-9. 10.42 grams. Very broad, thin flan with choice full shield and full cross-and-tressure with clear full date in legend, light surface corrosion and small edge-splits, lightly brown-toned. With Fisher tag #132492. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
(250 - 375 USD)