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Potosi, Bolivia, cob 8 reales, 1650 O, with two countermarks (both unidentified) on cross, rare, Mas

Currency:USD Category:Coins & Paper Money / Shipwreck - Silver Coins 1500s-1650s Start Price:240.00 USD Estimated At:300.00 - 450.00 USD
Potosi, Bolivia, cob 8 reales, 1650 O, with two countermarks (both unidentified) on cross, rare, Mas
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This item SOLD at 2021 Nov 04 @ 13:22UTC-4 : AST/EDT
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Potosi, Bolivia, cob 8 reales, 1650 O, with two countermarks (both unidentified) on cross, rare, Mastalir Plate. S-P35; KM-19b; Cal-1488. 22.86 grams. Good full shield and cross despite corrosion, with clear date at 12 o'clock (modern 5) showing a full and clear ornament to left consisting of seven dots, with faint arc of dots in center of cross from one countermark and part of crown, ring and border of dots of second countermark in the periphery (any double-countermark coin being rare), all lightly yellow-toned with contrasting fields. Pedigreed to the Roberto Mastalir Collection of Countermarked Potosi Cobs, Plate Coin (page 102 in Part A and pages 426 and 429 in Part B) 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 certificate. Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador