Featuring Research Volunteer Contributions
1942 -1950
About U.S. Stamps
- Postmasters' Provisionals (1845-1847)
- Classic Period (1847-1893)
- Bureau Period (1894-1939)
- Definitive Issues
- Commemorative Issues
- 1898-1925
- Trans-Mississippi Exposition Issue
- Pan-American Exposition Issues
- Louisiana Purchase Exposition Issue
- Jamestown Exposition Issue
- Lincoln Centenary of Birth Issue
- Alaska-Yukon-Pacific Exposition Issue
- Hudson-Fulton Celebration Issue
- Panama-Pacific Exposition Issue
- Victory Issue
- Pilgrim Tercentenary Issue
- Harding Memorial Issue
- Huguenot-Walloon Tercentenary Issue
- Lexington-Concord Issue
- Norse-American Issue
- 1926-1927
- 1928-1929
- 1930-1931
- 1932-1933
- 1934-1935
- 1936-1937
- Texas Centennial Issue
- Rhode Island Tercentenary Issue
- Third International Philatelic Exhibition Issue S/S
- Arkansas Centennial Issue
- Oregon Territory Issue
- Susan B. Anthony Issue
- Army & Navy Issue
- Ordinance of 1787 Sesquicentennial Issue
- Virginia Dare Issue
- Constitution Sesquicentennial Issue
- Society of Philatelic Americans Issue S/S
- Territorial Issues
- 1938-1939
- 1898-1925
- Modern Period (1940-Present)
- Commemorative Issues
- 1940-1949
- 1940-1941
- Famous Americans Issue
- 80th Anniversary of the Pony Express Issue
- Pan American Union Issue
- 50th Anniversary of Idaho Statehood Issue
- 50th Anniversary of Wyoming Statehood Issue
- 400th Anniversary of the Coronado Expedition Issue
- National Defense Issues
- Thirteenth Amendment Issue
- 150th Anniversary of Vermont Statehood Issue
- 1942-1943
- 1944-1945
- Transcontinental Railroad Issue
- Steamship Issue
- Telegraph Issue
- Philippine Issue
- 50th Anniversary of Motion Picture Issue
- Centenary of Florida Statehood
- United Nations Conference Issue
- Iwo Jima Issue
- Blood Plasma Unissued Model
- Franklin Delano Roosevelt Issues
- Army Issue
- Navy Issue
- Coast Guard Issue
- Alfred E. Smith Issue
- 100th Anniversary of Texas Statehood Issue
- 1946-1947
- Merchant Marine Issue
- Veterans of World War II Issue
- 150th Anniversary of Tennessee Statehood Issue
- 100th Anniversary of Iowa Statehood Issue
- Smithsonian Institution Issue
- Kearny Expedition Issue
- Thomas A. Edison Issue
- Joseph Pulitzer Issue
- Postage Stamp Centenary Issue
- Centenary International Philatelic Exhibition Issue
- Doctors Issue
- Utah Issue
- U.S. Frigate Constitution Issue
- Everglades National Park Issue
- 1948-1949
- 1948-49 Part One
- California Gold Centennial Issue
- George Washington Carver Issue
- Mississippi Territory Issue
- Four Chaplains Issue
- 100th Anniversary of Wisconsin Statehood Issue
- Swedish Pioneer Issue
- Progress of Women Issue
- William Allen White Issue
- United States-Canada Friendship Issue
- Francis Scott Key Issue
- Salute to Youth Issue
- Oregon Territory Issue
- Harlan F. Stone Issue
- Palomar Mountain Observatory Issue
- Clara Barton Issue
- Poultry Industry Centennial Issue
- 1948-49 Part Two
- Gold Star Mothers Issue
- Fort Kearny Issue
- Volunteer Firemen Issue
- Indian Centennial Issue
- Rough Riders Issue
- Juliette Low Issue
- Will Rogers Issue
- Fort Bliss Centennial Issue
- Moina Michael Issue
- Gettysburg Address Issue
- American Turners Issue
- Joel Chandler Harris Issue
- Minnesota Territory Centennial Issue
- Washington and Lee University Issue
- Puerto Rico Election Issue
- Annapolis Tercentenary Issue
- G.A.R. Issue
- Edgar Allan Poe Issue
- 1948-49 Part One
- 1940-1941
- 1950-1959
- 1950-1951
- American Bankers Association Issue
- Samuel Gompers Issue
- National Capital Sesquicentennial Issues
- Railroad Engineers Issue
- Kansas City, Missouri, Centenary Issue
- Boy Scout Issue
- Indiana Territory Issue
- California Statehood Issue
- United Confederate Veterans Final Reunion Issue
- Nevada Centennial Issue
- Landing of Cadillac Issue
- 75th Anniversary of Colorado Statehood Issue
- American Chemical Society Issue
- 175th Anniversary of Battle of Brooklyn Issue
- 1952-1953
- 1954-1955
- 1956-1957
- 1958-1959
- 1950-1951
- 1960-1969
- 1970-1979
- 1970-1971
- 1972-1973
- 1974-1975
- 1976-1977
- 1976-77 Part One
- American Bicentennial Issue: The Spirit of '76
- Interphil Issue
- American Bicentennial Issue: Flag Series
- Telephone Centennial Issue
- Commercial Aviation Issue
- Chemistry Issue
- Benjamin Franklin Issue
- Declaration of Independence Issue
- Olympic Games Issue
- Clara Maass Issue
- Adolph S. Ochs Issue
- 1976 Christmas Issue
- American Bicentennial Issue: Washington at Princeton
- Sound Recording Issue
- 1976-77 Part Two
- American Folk Art Series: Pueblo Pottery
- Lindbergh Flight Issue
- Colorado Statehood Issue
- Butterfly Issue
- American Bicentennial Issue: Lafayette
- Skilled Hands For Independence Issue
- Peace Bridge Issue
- American Bicentennial Issue: Battle of Oriskany
- Energy Issue
- Alta California Issue
- American Bicentennial Issue: Articles of Confederation
- 50th Anniversary Talking Pictures
- American Bicentennial Issue: Surrender at Saratoga
- 1977 Christmas Issue
- 1976-77 Part One
- 1978-1979
- 1980-1989
- 1990-1999
- 2000-2009
- 1940-1949
- Definitive Issues
- Commemorative Issues
- Air Post Issues
- Special Use Stamps
- Encased Postage Stamps
- Hunting Permit (Duck Stamps)
- 1934-1948 1-dollar Permits
- 1949-1958 2-dollar Permits
- 1959-1971 3-dollar Permits
- 1972-1978 5-dollar Permits
- 1979-1986 7.50-dollar Permits
- 1987-1988 10-dollar Permits
- 1989-1990 12.50-dollar Permits
- 1991-2014 15-dollar Permits
- State and Other Duck Hunting Permits
- Hunting Permit Collateral Material
- Duck Stamp Artists and Related Persons
- Newspaper and Periodical Stamps
- Parcel Post Stamps
- Postage Due Stamps
- Postal Note Stamps
- Special Delivery Issues
- Outline
