1935 3c Byrd Antarctic Expedition
1927 2c Burgoyne Campaign
1932 2c Arbor Day
1926 2c Battle of White Plains
1926 2c Sesquicentennial Exposition: Liberty Bell
1929 2c George Rogers Clark
1929 1/2c Nathan Hale, olive brown
1929 2c Sullivan's Expedition
1935 3c Peace of 1783 Sesquicentennial, no gum
1937 3c Northwest Ordinance
1938 3c Northwest Territory Sesquicentennial
1925 1c Lexington-Concord Issue: Washington at Cambridge
1926-28 2c Washington, carmine
1928 2c Battle of Monmouth
1929 2c Edison's First Lamp, rotary
1931 2c General Casimir Pulaski
1932 Washington Bicentennial: 1c Washington from the Houdon Bust
1932 3c Washington, deep violet
1932 3c Washington, deep violet, coil, vertical perf 10
1932 3c Washington, deep violet, horizontal perf 10
1933 3c Byrd Antarctic Expedition
1934 3c Mt Rainier, imperf single
1937 3c Constitution Sesquicentennial
1937 3c Hawaii
1937 3c Virgin Islands
1939 3c New York World's Fair
1936 16c Airmail Spec Delivery
1918 3c Washington, imperforate, violet
1920 2c Pilgrim Tercentenary: Landing of the Pilgrims
1923 1c Franklin, imperforate green
1925 1 1/2c Harding, imperforate, yellow brown
1925 2c Washington, imperforate, carmine
1923 2c Harding, black, perf 11
1926-28 1c Franklin, green
1927 2c Vermont Sesquicentennial
1929 2c Washington, carmine, Kansas-Nebraska overprints
1930 1 1/2c Harding, brown
1930 4c Taft, brown
1930 2c Battle of Braddock's Field
1931 2c Red Cross Issue
1931 2c Yorktown Issue
1933 3c Federal Building at Chicago
1934 7c National Parks: Acadia, Maine
1935 3c Connecticut Tercentenary
1936 3c Third International Philatelic Exposition, souvenir sheet
1936 3c Arkansas Centennial
1937 3c Army and Navy: Farragut and Porter
1937 5c Virginia Dare