Bolivia 1651-P O 8 reales

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Sedwick Treasure Auction 35, lot 932
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Sedwick Treasure Auction 35, lot 1005
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The first specimen was lot 932 in Sedwick Treasure Auction 35 (Winter Park, FL, May 2024), where it sold for $1,020. The catalog description[1] noted, "BOLIVIA, Potosí, cob 8 reales, 1651 O, with crowned-•T• countermark on shield, ex-Kosoff, ex-Stallard, ex-Woodside. Well-detailed VF (rare as non-salvage, toned in crevices) with choice full date outside of full cross-and-tressure, bold full countermark (scarce, Mastalir subtype Ta with high dots) near center of full shield with full P-O to left and 8-O to right, interesting old pedigree. (Note: The printed catalog shows an article about the countermarked Potosí shield-type issues of 1649-51, which can be downloaded here: https://sedwickcoins.com/articles/countermarks.pdf.) Pedigreed to the Barry Stallard collection (Sedwick Auction 31, with original lot-tag 579), purchased from A. Kosoff in the 1940s (New York), with original tag, and to the Rob Woodside Collection." The second specimen was lot 1005 in Sedwick Treasure Auction 35 (Winter Park, FL, May 2024), where it sold for $900. The catalog description[1] noted, "BOLIVIA, Potosí, cob 8 reales, 1651 O, with crowned-O countermark on cross, ex-Capitana, ex-Ponte, Mastalir Plate. Choice, corrosion-free, and nicely toned broad-flan VF with nearly full legends including complete date, full (scarce) countermark on bottom-left quadrant of full cross, well-detailed full shield and crown with split in edge there. From the Capitana (1654), pedigreed to the Ponterio "Capitana" auction of April 1999 (lot 61) and the Luis R. Ponte Collection, Plate Coin on page 192 of Mastalir's The Great Transition at the Potosí Mint 1649-1652: The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652, Part A: The 1649-1652 Crowned Shield Coinage (2021) and on page 178 of Part B: The Countermarks of 1652." This type was struck in large quantities 1621-52. As early as the 1630's there had been rumors that the mint was debasing their product but the government did not act until 1648, when a new assayer was sent to Potosi with orders to clean house. Eventually, to separate the new, reformed cobs from the old, suspect product, the coin was redesigned in 1652. This is the last year of the old design. Assayer "E" is also noted for the year.

Recorded mintage: unknown.

Specification: 27.07 g, 0.931 fine silver, the first specimen 25.34 grams, the second specimen 26.10 grams.

Catalog reference: Cayón-6427; S-P35; KM-19b; Cal-1489.

Source:

  • Cayón, Adolfo, Clemente Cayón and Juan Cayón, Las Monedas Españolas, del Tremis al Euro: del 411 a Nuestros Dias, 2 volumes, Madrid: Cayón-Jano S.L., 2005.
  • Calicó, Xavier, Numismática Española: Catálogo General con Precios de Todas las Monedas Españolas Acuñadas desde Los Reyes Católicos Hasta Felipe VI, 1474 a 2020, Barcelona: Aureo & Calicó, 2019.
  • Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1601-1700, 6th ed., Iola, WI: Krause Publications, 2014.
  • Menzel, Sewall, Cobs, Pieces of Eight and Treasure Coins, New York: The American Numismatic Society, 2004.
  • Paoletti, Emilio, 8 Reales Cobs of Potosí, 2nd Ed., Buenos Aires, 2006.
  • [1]Sedwick, Daniel Frank, Augi Garcia, Cori Sedwick Downing and Connor Falk, Treasure Auction 35, World, U.S Coins and Paper Money, Winter Park, FL: Daniel Frank Sedwick LLC, 2024.

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