Energy Conservation - GAMM Cachets Mesa Verde

The GAMM Cachets cachet features a colorful woodcut-style illustration of the Mesa Verde cliff dwellings in Colorado, with terraced yellow-brown hillsides, green trees, and ancient stone structures. Below the artwork, explanatory text describes how the cave dwellings served as an early example of energy conservation through passive solar design. The 13-cent 'Energy Conservation' stamp depicts a stylized sun with a face, a yellow light bulb, and a red appliance/generator on an orange background. The postmark is a circular hand cancellation from Washington, DC dated October 20, 1977.

This First Day Cover features a vivid yellow and brown woodcut-style illustration of Mesa Verde's ancient cliff dwellings on the cachet, emphasizing passive solar energy conservation. The 13-cent stamp depicts a stylized sun, light bulb, and generator in bright colors, symbolizing energy conservation. The postmark is a circular hand-cancellation from Washington, DC, dated October 20, 1977. The printed text describes the energy-efficient design of the Mesa Verde dwellings. The cover is in excellent condition with clear, legible details.