Mexico 1758-Mo MM 8 reales

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from the Mountain Groan Collection
Mexico 1758 8 reales rev 600.jpg
Aureo sale 232, lot 182

This is one of a series struck 1754-60 during the reign of Ferdinand VI (1746-59). No overdates are noted for the year, tho there is a rare variety with the old style crown (M-8-34a). The coin is otherwise common. It is distinguished from earlier issues (KM 104.1, 1747-54) of pillar dollars by having different crowns atop the pillars on the date side.

The second specimen shown was lot 182 in Aureo y Calicó sale 232 (Barcelona, March 2011), where it sold for 360 euros (about $594 including buyer's fees). The catalog description[2] noted,
"Fernando VI (1746-1759). 1758. México. MM. 8 reales. Columnario. Bella. Brillo original. Rara así. EBC+. (Ferdinand VI, 1746-59, eight reales of 1758, pillar type, beautiful original luster, rare thus, choice extremely fine.)
Mexican numismatists hotly debate which side of the coin constitutes the obverse. Gilboy[1] depicts the shield side as the obverse as that side bears the king's name. However, auction catalogs and dealer listings more frequently use the pillars and globes side as the obverse, as that side bears the date.

Recorded mintage: unknown.

Specification: 27.07 grams, .917 fine silver, .798 troy oz ASW.

Catalog reference: Cayón-10629, Gilboy M-8-34, KM 104.2, Cal-343.


  • [1]Gilboy, Frank F., The Milled Columnarios of Central and South America: Spanish American Pillar Coinage, 1732 to 1772, Regina, Saskatchewan: Prairie Wind Publishing, 1999.
  • 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.
  • Harper, David C., ed., North American Coins & Prices: A Guide to U. S., Canadian and Mexican Coins, 17th Ed., Iola, WI: Krause Publications, 2007.
  • Harris, Robert P., Pillars & Portraits, San José, CA: Bonanza Press, 1968.
  • [2]Sisó, Teresa, Eduardo Domingo and Lluís Lalana, Selección de 500 Monedas, Medallas y Billetes, Barcelona: Aureo y Calicó Subastas, 2011.

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