First Day Cover, Usa, Apr 30 1956
First Day Cover, Usa, Apr 30 1956: Commemorating the fifth International Philatelic Exhibition
First Day Cover, Usa, Apr 5 1956
First Day Cover, Usa, Apr 5 1956: Commemorating the centennial of Brooker T. Washington
First Day Cover, Usa, Nov 9 1956
First Day Cover, Usa, Nov 9 1956: Wildlife conservation, depicting king salmon. Four of the same stamps
First Day Cover, Usa, Dec 15 1956
First Day Cover, Usa, Dec 15 1956: Children\'s stamp, witing accross the top says \"friendship - the key to world peace\"
First Day Cover, Usa, Jan 17 1956
First Day Cover, Usa, Jan 17 1956: Commemorating the 250th anniversary of Benjamin Franklin
First Day Cover, Usa, Sep 24 1956
First Day Cover, Usa, Sep 24 1956: Depicting Devils Tower national monument
First Day Cover, Usa, Apr 30 1953
First Day Cover, Usa, Apr 30 1953: Commemorating the Louisiana Purchase Sesquicentennial
First Day Cover, Usa, Apr 17 1958
First Day Cover, Usa, Apr 17 1958: Commemorating the Universal and International Exhibition 1958
First Day Cover, Usa, Feb 12 1955
First Day Cover, Usa, Feb 12 1955: Commemorating Michigan State college and Pennsylvania State University, the first of the Land-Grant Colleges.
First Day Cover, Usa, Jun 1956
First Day Cover, Usa, Jun 1956: Wildlife conservation, depicting Pronghorn antelope
First Day Cove, Usa, May 5 1956
First Day Cove, Usa, May 5 1956: Wildlife conservation, depicting the wild turkey
First Day Cover, Usa, Sep 14 1953
First Day Cover, Usa, Sep 14 1953: Depicting Sagamore Hill, Oyster Bay - the home of Theodore Roosevelt
First Day Cover, Usa, Feb 23 1955
First Day Cover, Usa, Feb 23 1955: Depicting the Rotary International organization.
First Day Cover, Usa, Feb 28 1952
First Day Cover, Usa, Feb 28 1952: Commemorating 125 years of Rail Transportation
First Day Cover, Usa, Jan 15 1957
First Day Cover, Usa, Jan 15 1957: a stamp honoring those who helped fight polio
First Day Cover, Usa, Sep 11 1952
First Day Cover, Usa, Sep 11 1952: Celebrating Women in the Armed Forces
First Day Cover, Usa, May 21 1955
First Day Cover, Usa, May 21 1955: Depicting the Armed Forces Reserve