Watch List notes:

Potosi, Bolivia, cob 4 reales, 1620T, Grade-3 quality but Grade 4 in database, certificate missing. S-P21; KM-9; CT-248. 10.90 grams. Good for the grade with fully visible date and partial assayer initial, partial shield and cross with some reddish toning and encrustation in recessed areas. With Fisher tag #167333. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
(200 - 300 USD)