National Postal Museum
PS form 809 (Apr. 1971 edition) Civil Defense Emergency Mail Forwarding Order
April 1971
This is an unused Postal Service form 809 (Apr. 1971 edition) Civil Defense Emergency Mail Forwarding Order postcard. This was part of the United States Civil Defense program of which the Post Office Department, and later United States Postal Service, were to serve the public during an emergency.
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