Watch List notes:

Potosi, Bolivia, cob 8 reales, 1649 (O/Z), king's name as PHELIPVS, with crown-alone countermark (rare variety) on cross, ex-Mastalir (Plate). S-P35; KM-19b; Cal-1486. 13.40 grams. Thin with smooth surfaces from saltwater corrosion yet with all the important details visible, from the over-assayer to the full date and bold countermark, two small edge-cracks as made. Pedigreed to the Robert Mastalir Collection and plated on page 235 of Part B of his book The Great Transition at the Potosi Mint, 1649-1652: The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 (2021), with original Herman Moro certificate.Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador.

Estimate: $175 - $250