Watch List notes:

Potosi, Bolivia, cob 8 reales, 1649 (O/Z), king's name as PHELIPVS, with crown-alone countermark on shield, ex-Mastalir (Plate). S-P35; KM-19b; Cal-1486. 26.14 grams. Broad flan (slightly bent and uneven) with 100% full date and most of king's name in legends, full but weaker cross and shield, the latter with very bold full countermark, denomination 8 to right, minimal corrosion, patchy toning. Pedigreed to the Robert Mastalir Collection and plated on page 48 of Part A and page 256 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).Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador.

Estimate: $350 - $500