1935 3c Byrd Antarctic Expedition
1912 1c Washington, green, single line watermark, imperforate
1926 2c Sesquicentennial Exposition: Liberty Bell
1932 2c Arbor Day
1937 10c Society of Philatelic Americans Convention, souvenir sheet
1916-17 2c Washington, carmine, imperforate, type I
1926 2c Battle of White Plains
1927 2c Burgoyne Campaign
1929 1/2c Nathan Hale, olive brown
1929 2c Sullivan's Expedition
1932 3c Washington, deep violet
1934 7c National Parks: Acadia, Maine
1935 3c Peace of 1783 Sesquicentennial, no gum
1936 3c Third International Philatelic Exposition, souvenir sheet
1920 2c Pilgrim Tercentenary: Landing of the Pilgrims
1928 2c Battle of Monmouth
1929 2c George Rogers Clark
1929 2c Edison's First Lamp, rotary
1932 3c Washington, deep violet, coil, vertical perf 10
1932 3c Washington, deep violet, horizontal perf 10
1934 3c Mt Rainier, imperf single
1937 3c Northwest Ordinance
1937 5c Virginia Dare
1937 3c Constitution Sesquicentennial
1937 3c Hawaii
1938 3c Northwest Territory Sesquicentennial
1881 3c Washington, blue green
1925 2c Washington, imperforate, carmine
1925 3c Lincoln, violet
1925 1c Lexington-Concord Issue: Washington at Cambridge
1926-28 2c Washington, carmine
1928 2c Valley Forge Issue: Washington at Prayer
1930 1 1/2c Harding, brown
1930 4c Taft, brown
1931 2c General Casimir Pulaski
1931 2c Red Cross Issue
1931 2c Yorktown Issue
1932 Washington Bicentennial: 1c Washington from the Houdon Bust
1933 3c Byrd Antarctic Expedition
1937 3c Virgin Islands
1938 3c Landing of the Swedes and Finns
1939 3c New York World's Fair
1939 3c Four States Statehood 50th Anniversary
1936 16c Airmail Spec Delivery
1873 3c Washington, green
1893 1c Columbian Commemorative: Columbus in Sight of Land
1893 2c Columbian Commemorative: Landing of Columbus
1898 1c Franklin, deep green, double line watermark