Bolivia 1780-PTS PR real

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Steve Album Auction 53, lot 3445

This specimen was lot 3445 in Steve Album Auction 53 (Santa Rosa, CA, September 2025), where it sold for $110. The catalog description[1] noted, "BOLIVIA: Carlos III, 1759-1788, AR real, Potosí, 1780-PTS, assayer PR, some luster, VF-XF." This is an example of a type struck 1773-89 at Potosi, Bolivia (then called Upper Peru). In 1786, the purity was reduced to 0.896 fine. It was replaced in 1791 by the bust of Charles IV. Harris[2] notes that Potosi one reales of Charles III are nearly tied with Mexico City as the commonest mint. Assayer PR is recorded for 1776-95. A 1780/79 overdate is reported.

Recorded mintage: unknown.

Specification: 3.38 grams, 0.903 fine silver, .098 troy oz ASW.

Catalog reference: Cayón-11380, KM-52.

Source:

  • [1]Album, Stephen, Joseph Lang, Paul Montz, Michael Barry and Hanbing Feng, Auction 53, featuring Selections from the Dr. Robert A. Rosenfeld, Almer H. Orr III, Dr. Dirk Loer and Joe Sedillot Collections, Santa Rosa, CA: Stephen Album Rare Coins, Inc., 2025.
  • [2]Harris, Robert P., Pillars & Portraits, San José, CA: Bonanza Press, 1968.
  • Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
  • 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.

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