Mexico 1866-Ca JG 8 reales

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Heritage sale 3037, lot 30326
photo courtesy Heritage Auction Galleries

This specimen was lot 30326 in Heritage sale 3037 (New York, January 2015), where it sold for $3,760. The catalog description[1] noted, "Republic Caps and Rays 8 Reales 1866 Ca-JG AU58 PCGS, Chihuahua mint, About Uncirculated with the slightest friction evidence on the higher points but fully lustrous, well struck and most attractive. A very rare assayer variety for this date, much more so in this select quality. As a side note, Dunigan-Parker note that this 'JG' assayer initials variety was overlooked perhaps due to the 'G' being very similar to a 'C' resulting in the few specimens known to be miscatalogued as the (still rare but defin[i]tely less so) 'JC' variety. A close examination of this well-preserved specimen shows a quite clear and probably unmistakable 'G'. A great companion piece to the other two 1866-Ca 8 Reales presented herein, and thus a truly rare opportunity." The year 1866 was the high point of the Maximilian regime and the mints were supposed to be striking his coinage, not republican designs. Despite this, Alamos (assayers DL and PG), Chihuahua (assayers JC, JG and FP), Culiacan (assayer CE), Durango (assayer CM) and Hermosillo (assayers FM and MP) all managed to issue eight reales dated 1866 which, however, remains the most difficult date to obtain of the period 1823-97.

Recorded mintage: unknown.

Specification: 27.07 g, .903 fine silver, .785 troy oz ASW.

Catalog reference: KM 377.2, DP-Ca42 ("Extremely Rare").


  • [1]Bierrenbach, Cristiano, Warren Tucker and Scott Cordry, Heritage Signature Auction 3037, featuring the Empire, the Santa Catarina, the Law and the Santa Maria Collections, Dallas, TX: Heritage Auction Galleries, 2014.
  • Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
  • Buttrey, T. V., and Clyde Hubbard, A Guide Book of Mexican Coins, 1822 to date, 6th ed., Iola, WI: Krause Publications, 1992.
  • Dunigan, Mike, and J. B. Parker, Resplandores: Cap and Ray 8 Reales of The Republic of Mexico, 1823-1897, Beverly Hills, CA: Superior Stamp & Coin, 1997.

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