Mexico 2011 – Chichén Itzá – The Observatory (El Caracol) 1 oz Silver Proof Coin This stunning 1 oz silver proof coin from Casa de Moneda de México belongs to the Chichén Itzá collection — a numismatic series dedicated to the architectural wonders of the ancient Mayan city, one of the New Seven Wonders of the World and a UNESCO World Heritage Site. The 2011 edition, “The Observatory (El Caracol)”, honors the ancient Mayan observatory located in Chichén Itzá, believed to have been used for astronomical and ceremonial purposes. Its circular tower, built atop a broad platform, allowed Mayan priests to track celestial movements with remarkable precision — a testament to their advanced knowledge of astronomy. Struck from 1 ounce of .999 fine silver in proof quality, this coin combines cultural symbolism with exceptional craftsmanship, capturing the scientific and spiritual legacy of the Mayan civilization. Country / Issuer: Mexico Year of Issue: 2011 Series: Chichén Itzá Theme: The Observatory (El Caracol) Denomination: 1 Onza Metal: Silver (.999) Weight: 1 oz (31.1 g) Diameter: 40 mm Quality: Proof Mintage: Limited edition (low worldwide mintage) Edge: Reeded Packaging: Original mint capsule Obverse: Mexican national coat of arms surrounded by the inscription “Estados Unidos Mexicanos” Reverse: Artistic proof depiction of El Caracol, the ancient Mayan observatory, with detailed engraving and inscriptions The Chichén Itzá – The Observatory (El Caracol) 2011 1 oz Proof coin beautifully represents the intellectual brilliance of the Mayan world — a masterpiece of design, symbolism, and minting excellence from Casa de Moneda de México, the oldest mint in the Americas. Please note: Proof silver coins may display minor surface marks, micro-scratches, or light toning due to the natural properties of silver and the minting process. These are typical for proof-quality coins and do not reduce the collectible or market value of the item.