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, 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, May 21 1955
First Day Cover, Usa, May 21 1955: Depicting the Armed Forces Reserve
First Day Cover, Usa, Jan 15 1955
First Day Cover, Usa, Jan 15 1955: Commemorating the 150th Anniversary of the Pennsylvania Academy of the Fine Arts
First Day Cover, Usa, Sep 18 1955
First Day Cover, Usa, Sep 18 1955: Commemorating the Bicentennial of Fort Ticonderoga
First Day Cover, Usa, Jun 21 1955
First Day Cover, Usa, Jun 21 1955: Depicting \'The Old Man of the Mountains\', New Hampshire
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, Sep 14 1953
First Day Cover, Usa, Sep 14 1953: Depicting Sagamore Hill, Oyster Bay - the home of Theodore Roosevelt
First Day Cover, Usa, Apr 30 1956
First Day Cover, Usa, Apr 30 1956: Commemorating the fifth International Philatelic Exhibition
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, Apr 30 1953
First Day Cover, Usa, Apr 30 1953: Commemorating the Louisiana Purchase Sesquicentennial
First Day Cover, Usa, Sep 11 1952
First Day Cover, Usa, Sep 11 1952: Celebrating Women in the Armed Forces
First Day Cover, Usa, Dec 27 1957
First Day Cover, Usa, Dec 27 1957: Celebrating Religious Freedom in America
First Day Cover, Usa, Oct 13 1953
First Day Cover, Usa, Oct 13 1953: Depicting the Future Farmers of America