Potosi, Bolivia, cob 2 reales, (1650-1) O, ex-Mastalir (Plate Coin). S-P35; KM-14b. 7.27 grams. XF with choice, sharply details shield and full cross, struck on a broad planchet with peripheral flatness. Pedigreed to the Robert Mastalir collection, plated on page 250 of his 2021 book The Great Transition at the Potosi Mint 1649-1652 / The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 / Part A: The 1649-1652 Crowned Shield Coinage.
($150-225)