Mexico 1921 20 pesos

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Goldberg sale 70, lot 3776
photo courtesy Goldberg Coins & Collectibles

This specimen was lot 3776 in Goldberg sale 70 (Los Angeles, September 2012), where it sold for $2,990. The catalog description[1] noted, "Mexico. 20 Pesos, 1921/11. Aztec Calendar stone. Reverse: Eagle. NGC graded MS-66." In 1917, in an attempt to restore confidence in the inflation-ravaged currency, the government issued this gold twenty pesos along with a gold ten and five pesos. In 1918, two and 2½ pesos pieces were added and in 1921 the fifty pesos. Altho the smaller coins circulated for a brief while, the larger coins were completely hoarded. The mint continues to restrike this type but sells them at their current bullion value. The Goldberg catalog correctly identifies the obverse design as the famous Aztec calendar stone but the SCWC describes it as a "gear-like design above value."

Recorded mintage: 922,000 (all varieties).

Specification: 16.66 g, .900 fine gold, .482 troy oz AGW.

Catalog reference: Fr-171; KM-478.


  • Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.
  • Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
  • [1]Ira and Larry Goldberg, Goldberg sale 70: The Pre-Long Beach Auction, Los Angeles, CA: Goldberg Coins & Collectibles, 2012.

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