Mexico Presa Netzahualcoyotl Chiapas Grove-896a MS 62 PCGS silver medal 1964

This 1964 Mexico Presa Netzahualcoyotl silver medal, Grove-896a, celebrates the Nezahualcoyotl Dam in Chiapas, a landmark of Mexican hydroelectric engineering. Certified PCGS MS62, it honors a major infrastructure project on the Grijalva River. The obverse presents an impressive panoramic view of the dam, featuring its massive curved concrete structure, spillways, cascading water, surrounding mountains, and detailed architectural elements. The inscriptions identify PRESA NETZAHUALCOYOTL and RAUDALES DE MALPASO, CHIS., emphasizing its location. The reverse features an elongated sculptural relief with a central human face, stylized figures, flowing ornamental forms, and intricate linear patterns, accompanied by the inscription 23 DE NOVIEMBRE and the date 1964. The dam became an important source of hydroelectric power and regional development in southern Mexico. With its detailed relief, historical significance, and certified condition, this silver medal is an appealing collectible for enthusiasts of engineering, architecture, and Mexican numismatics.

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