Bolivia 1754-P C 4 reales
This specimen was lot 71236 in Stack's Bowers Collectors Choice sale (Costa Mesa, CA, November 2022), where it sold for $408. The catalog description[1] noted, "BOLIVIA. Cob 4 Reales, 1754-P. Potosi Mint; Assayer Jose Caballero (C). Ferdinand VI. PCGS VF-30. A nicely toned Cob with decipherable date and assayer on the obverse and visible mintmark, along with a partial date, on the reverse. From the Pat Johnson Collection. Purchased privately from Mike Dunigan." This type was struck for Ferdinand VI through his entire reign. Assayer "q" stamped coins 1744-59. Assayer "C" is listed for 1753-54 along with assayer "q". The silver cobs were debased from 0.931 fine to 0.917 fine in 1728.
Recorded mintage: unknown.
Specification: 13.54 g, 0.917 fine silver, this specimen 13.08 g.
Catalog reference: Cayón-10512, KM-39; Cal-409.
- 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.
- Menzel, Sewall, Cobs, Pieces of Eight and Treasure Coins, New York: The American Numismatic Society, 2004.
- [1]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, The November 2022 Collectors Choice Ancient & World Coins Auction, Featuring the Pat Johnson Collection, Costa Mesa, CA: Stack's Bowers LLC, 2022.
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