Bolivia 1770-P V 8 reales
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 period 1767-1770 saw simultaneous issue of milled columnarios. 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 specimen shown was lot 871 at Cayon Subastas auction held February 4, 2012, where it sold for 90 euros (about $140 including buyer’s fees). The catalog description noted "Potosí. 8 reales. 1770 sobre 69. V. Casi MBC+. (Potosi 8 reales 1770/69-V. Not listed in Cayon. Almost very fine.) "
Recorded mintage: unknown.
Specification: 27.07 g, 0.917 silver, 0.798 oz ASW. This specimen 23.55 g.
Catalog reference: Cayón-11981, KM-45, overdate not listed in Paoletti.
- Cayón, Adolfo, Clemente Cayón and Juan Cayón, Las Monedas Españolas, del Tremis al Euro: del 411 a Nuestros Dias, vol. 1, 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.
- Cayon Subastas, Auction February 2012: Highly Important Collection of Spanish and Latin American 8 Reales and other Coins from the Spanish Empire, Madrid: Cayon Subastas, 2012.
- Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.