[Presidents]. First Day Cover Signed by four Presidents: Harry S. Truman, Jimmy Carter, who added "6-81," Ronald Reagan, and George [H.W.] Bush. The FDC has a cachet of the Statue of Liberty and "Honor America" and was canncelled in Washington, DC on May 10, 1971. Fine.
Estimated Value $650 - 850.
U.S. Presidents
