2025 NGC PF-70 Early Releases 1 Kilo Mexican Aztec Calendar Proof Silver Coin
In addition to the renowned Libertad Series, the Mexican Mint produces the Mexican Aztec Calendar Proof Silver Coin.
First introduced in 2007 by the Mexico Mint during a special presentation at the Museo Nacional de Antropología in Mexico City, this silver coin pays homage to Mexico’s rich cultural history.
Its detailed design reflects the lasting legacy of the Aztec civilization and the deep impact it has had on the country’s past and cultural identity.
Struck from 99.9% fine silver, the Mexican Aztec Calendar Kilo coin faithfully recreates the famous Aztec Calendar Stone. The proof finish further enhances the artwork, bringing out the intricate details against beautifully mirrored surfaces.
Today, SD Bullion offers the 2025 1 Kilo Mexican Aztec Calendar Proof Silver Coin, graded by NGC as PF-70 Early Releases.
Coin Highlights
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Appraised, encapsulated, and graded as a PF-70 coin by NGC;
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Proof coin;
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Produced by the Mexican Mint;
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Purchased within 30 days of its official release;
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Contains 1 kilogram of .999 fine silver;
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Sovereign silver coin with a $100 face value;
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The reverse reproduced the Aztec calendar Stone;
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The obverse depicts the Mexican Coat of Arms.
The Design
The obverse replicates the Mexican Libertad Coins, displaying ten public seals used throughout Mexican history, encircling the current one.
The Coat of Arms features an eagle perched on a cactus, defeating a rattlesnake, symbolizing Mexico's victory over Spanish domination, surrounded by “ESTADOS UNIDOS MEXICANOS.”
The reverse showcases the Aztec Calendar Stone, with its intricate gears and the face of the Aztec sun god, Tonatiuh, at its center.
The accompanying engravings read “CALENDARIO AZTECA,” “$100 2025 1kg PLATA PURA LEY .999” and describe the coin’s name, face value, issuance, weight, metal content, and fineness. The “M” mint mark identifies the Mexican Mint.
The Aztec Calendar
The Aztec calendar was based on two connected cycles that worked together.
The first, called xiuhpohualli, or “count of the years,” followed the solar calendar. It contained 365 days, organized into 18 months with 20 days each. The second cycle, known as tonalpohualli, or “count of the days,” lasted 260 days. It was likely connected to astronomical observations and combined 20-day periods with a repeating pattern of 13 numbers.
When these two cycles aligned, they formed 52 years that the Aztecs considered a complete “century.” This structure is illustrated on the famous Aztec Calendar Stone, which features the sun god Tonatiuh at its center, surrounded by symbols representing earlier eras of the cosmos.
An NGC PF-70 Early Releases coin
NGC - Numismatic Guaranty Company works independently from sovereign mints to certify coins using the Sheldon Scale, which ranks coins from 1 to 70.
According to NGC, “Early Releases” refers to coins purchased from their original mints within 30 days of their official release and submitted to its appraisal.
The initials "PF" stand for "Proof Coin," indicating a coin produced for collection purposes. Because it is a reverse-proof coin, the background surfaces are matte, contrasting with the brilliant images engraved on it. 70 is the highest grade and indicates a coin with no visible flaws.
Buy 2025 NGC PF-70 Early Releases 1 Kilo Mexican Aztec Calendar Proof Silver Coins at SD Bullion
Don’t miss the chance to own the powerful Mexican kilo silver coin.
Purchase the 2025 NGC PF-70 Early Releases 1 Kilo Mexican Aztec Calendar Proof Silver Coin online from SD Bullion.
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