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Mexican 20 Pesos

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Mexican 20 (Veinte) Pesos

Cuauhxicalli Eagle Bowl Aztec Calendar or Sun Stone

The Mexican 20 gold pesos features one of Mexico’s best known monuments and symbols. The Aztec name is the almost unpronounceable Cuauhxicalli, which we believe translates as Eagle Bowl, but it is universally known as the Aztec Calendar or Sun Stone. It is thought to have been carved during the reign of the 6th Aztec monarch in 1479 and dedicated to the principal Aztec deity the sun. The stone has both mythological and astronomical significance. It weighs almost 25 tons, has a diameter of just under 12 feet, and a thickness of 3 feet.

On December 17th, 1760 the stone was discovered, buried in the “Zocalo” (the main square) of Mexico City. The viceroy of New Spain at the time was don Joaquin de Monserrat, Marquis of Cruillas. Afterwards it was embedded in the wall of the Western tower of the metropolitan Cathedral, where it remained until 1885. At that time it was transferred to the national Museum of Archaeology and History by order of the then President of the Republic, General Porfirio Diaz.

Many similar stones exist or have existed throughout Mexico, but we have described the best known one.

Twenty Pesos


Denomination Diameter Weight Alloy Gold Content
20 Pesos 27 16.6666 .900 0.4823

Key to Table

Denomination = Face Value
Diameter = Diameter in millimeters
Weight = Gross weight in grams.
Gold Content = Gold content in Troy Ounces.

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