Bolivia 1760-P VY 4 reales

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Sedwick Treasure Auction 28, lot 637
Sed28-637r.jpg

This specimen was lot 637 in Sedwick Treasure Auction 28 (Winter Park, FL, November 2020), where it sold for $8,400. The catalog description[1] noted, "Potosí, Bolivia, cob 4 reales Royal (galano), 1760Y-V-Y, extremely rare (unlisted), NGC VF details / edge filing. Typically very thick, even but small-diameter flan with bold and well-centered strike (super deep in places) but no legends (the king therefore indeterminate, but believed to be Charles III based on assayer), the assayer at upper-right clearly a Y with V at lower left and Y to right of cross, contrary to subsequent issues with V-Y-V instead, probably unique as unlisted in any references (either as a date or a type), but also particularly rare and important as lacking a peripheral hole, the stated edge filing no more than a few old lines at top. Pedigreed to the Aureo auction of March 2013 (lot #219)." The Spanish colony of Upper Peru produced hammered cob coinage at the Potosi mint from 1573 to 1773, with a major debasement scandal and subsequent reform occurring in 1649-1652. The royal or presentation issues are very rare and highly sought after, while the regular strikes vary in price according to the visibility of the date, mint, and assayer initials. The cobs were debased from 0.931 fine to 0.917 in 1728. Assayer "V" is listed for 1760-73.

Recorded mintage: unknown but a fairly common date.

Specification: 13.54 g, 0.917 fine silver, this specimen 13.41 grams.

Catalog reference: S-P56a; KM-44; Cal-unl., Cayón-11687.

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 Juan Carlos I, 1474 a 2001, Barcelona: Aureo & Calicó, 2008.
  • Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
  • Menzel, Sewall, Cobs, Pieces of Eight and Treasure Coins, New York: The American Numismatic Society, 2004.
  • [1]Sedwick, Daniel Frank, Augi Garcia and Cori Sedwick Downing, Treasure Auction 28, featuring the Dr. Peter Jones and John O'Brien collections, Winter Park, FL: Daniel Frank Sedwick LLC, 2020.

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