Mexico (1556-98)-Mo O 8 reales

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from Stack's Bowers November 2015 sale, lot 39330
Mexico SB1115-39330r.jpg

This specimen was lot 39330 in Stack's Bowers Winter sale (Baltimore, November 2015), where it sold for $1,292.50. The catalog description[1] noted, "MEXICO. 8 Reales, ND (1556-98) Assayer O. Philip II (1556-98). NGC VF-35. Full crisp crown atop a clear shield. Nice round flan with good centering and virtually no strike doubling. Nearly full legends on both sides. Tone within the recessed areas providing a nice contrast to the devices. A fully original coin that has never seen saltwater like so many of other examples of the issue. An exceptional example of this type. Pedigree: From the David O'Harrow Collection." This type was not dated and the terms of service of the various assayers ("O" in this case) are still hotly disputed. In 1728, cobs were debased from .931 to .917 fine silver.

Recorded mintage: unknown.

Specification: 27.07 grams, .931 fine silver, .810 troy oz ASW, this specimen 27.4 g.

Catalog reference: Cal-type-112#156; KM-43; Calb-607, Cayón no. 3919.


  • Krause, Chester L., and Colin R. Bruce II, Standard Catalog of World Coins: Spain, Portugal and the New World, Iola, WI: Krause Publications, 2002.
  • 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]Ponterio, Richard, and Todd McKenna, The November 2015 Baltimore Auction, World Coins and Paper Money, featuring the Ray Czabor Collection and selections from the Strong Museum, Santa Ana, CA: Stack's Bowers LLC, 2015.

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