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Potosi, Bolivia, cob 8 reales, 1650 O, with crowned-arms (Mastalir Asa) countermark on cross, rare,

Currency:USD Category:Coins & Paper Money / Shipwreck - Silver Coins 1500s-1650s Start Price:325.00 USD Estimated At:400.00 - 600.00 USD
Potosi, Bolivia, cob 8 reales, 1650 O, with crowned-arms (Mastalir Asa) countermark on cross, rare,
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This item SOLD at 2021 Nov 04 @ 13:20UTC-4 : AST/EDT
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Potosi, Bolivia, cob 8 reales, 1650 O, with crowned-arms (Mastalir Asa) countermark on cross, rare, Mastalir Plate. S-P35; KM-19b; Cal-1488. 26.58 grams. Broad flan with full crown and most of legends including full 650 of date (Spanish 5), great full shield and cross, bold full P-O and 8-O with dots only below the O's (a unique subtype), the countermark typically partial and at the very edge on the cross side (8 to 9 o'clock). Pedigreed to the Roberto Mastalir Collection of Countermarked Potosi Cobs, Plate Coin (page 87 in Part A) in his book The Great Transition at the Potosi Mint, 1649-1653, The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 (2021), with original Herman Moro photo-certificate. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador