Watch List notes:

Potosi, Bolivia, cob 8 reales, 1620 T (date as 16ZO_O), quadrants of cross transposed, mintmark retrograde P (q) over P, new style of lions, Grade 1. S-P21; KM-10; Cal-930. 26.60 grams. Bold full 6ZO of date followed by space and second O without any evidence of doubling (a known variety), good full cross exhibiting a new style of flattened lions, also full shield and nearly full crown, complete q/P mintmark, near full weight and practically corrosion-free. With Fisher tag and certificate 85A-201709, pedigreed to the RWB Reference Collection of Atocha dated cobs. Recovered from: Atocha, sunk in 1622 west of Key West, Florida


Estimate: 1750 - 2500 USD