Mexico 1730-Mo R 8 reales
This specimen was lot 4394 in Goldberg sale 67 (Los Angeles, January 2012), where it sold for $299. The catalog description noted, "Mexico. Cob 8 Reales, 1730-Mo R. Philip V. NGC graded Fine, Details (Chopmarked)." This specimen is a silver cob eight reales struck at Mexico City in the years before the conversion to milled coinage. Specimens with clear dates are unusual. This type is separated from KM 47, struck 1701-28, by its lower fineness; the earlier issues were .931 fine silver. Assayers "R", "G" and possibly "F" are recorded for 1730.
Recorded mintage: unknown but scarce.
Specification: 27.07 grams, .917 fine silver, .797 troy oz ASW.
Catalog reference: KM-47a, Cayón-9329.
- 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.
- Goldberg, Ira, Larry Goldberg, Stephen Harvey, Paul Rynearson and Jason Bradford, Pre-Long Beach Auction, Ancient & World Coins, Los Angeles: Goldberg Coins & Collectibles, 2011.