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Potosi, Bolivia, cob 8 reales, 1649 O/sR (rare), with crowned-L countermark on cross, ex-Mastalir (P

Currency:USD Category:Coins & Paper Money / Shipwreck - Silver Coins 1500s-1650s Start Price:300.00 USD Estimated At:350.00 - 500.00 USD
Potosi, Bolivia, cob 8 reales, 1649 O/sR (rare), with crowned-L countermark on cross, ex-Mastalir (P
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This item SOLD at 2022 Nov 03 @ 14:24UTC-4 : AST/EDT
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Potosi, Bolivia, cob 8 reales, 1649 O/sR (rare), with crowned-L countermark on cross, ex-Mastalir (Plate). S-P35; KM-19b; Cal-unl. 19.68 grams. Thin from corrosion and with two edge-splits but nevertheless well detailed, with bold assayer O/sR to left of full shield, good full cross with nearly full countermark and full 64 plus partial 9 of date, toned in crevices. (See lot 205 for explanation of this over-assayer.) Pedigreed to the Robert Mastalir Collection and plated on page 44 of Part A and page 132 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), with photo-certificate.Recovered from: Capitana, sunk in 1654 off Chanduy, Ecuador.