This vintage 1970 United States Anti-Pollution stamp set (Scott #1419–1422) features four 6-cent commemorative stamps issued to promote environmental awareness and conservation. Released during the early years of the modern environmental movement—around the time of the first Earth Day—this set reflects growing national concern about pollution and the protection of natural resources.
Each stamp in the set highlights a different environmental theme, including air pollution, water contamination, and the broader impact of industrialization on the planet. The bold and symbolic designs were intended to educate the public and encourage responsibility toward preserving the environment.
Issued as a complete set of four, these stamps are especially appealing to collectors who value thematic collections and historical issues tied to social and environmental change. The set represents a pivotal moment when environmental protection became a major public priority in the United States.
Produced by the Bureau of Engraving and Printing, these stamps feature the modern, graphic design style characteristic of the late 1960s and early 1970s. They remain a meaningful collectible for those interested in environmental history, conservation efforts, and vintage U.S. philately.
Key Details
• Scott Catalog Numbers: 1419–1422
• Issue Year: 1970
• Denomination: 6 Cents (each stamp)
• Format: Set of 4
• Theme: Environment / Anti-Pollution / Conservation
• Historical Context: Early environmental movement & Earth Day
• Printed By: Bureau of Engraving and Printing
• Printing Method: Lithography
• Perforation: 11
• Color: Multicolor
• Quantity Issued: Large production (mass circulation)
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Its true value lies in its historical significance, representing one of the first major U.S. postal issues focused on environmental protection and public awareness.

































































