Watch List notes:

Potosi, Bolivia, cob 8 reales, 1649 O, early lions, with crown-alone (rare variety) countermark on cross, ex-Mastalir (Plate). S-P35; KM-19b; Cal-1487. 21.16 grams. Round flan with some thinning from corrosion, parts of edge bent and split, with full 9 of fate and most of the countermark (bold) outside of full cross, nearly full shield and crown, toned on fields. Pedigreed to the Robert Mastalir Collection and plated on page 176 of Part A and page 300 of Part B of his books The Great Transition at the Potosi Mint, 1649-1652: The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 (2021), with original (generic) Herman Moro certificate.Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador.

Estimate: $350 - $500