1926 7c McKinley, black
1926 9c Jefferson, rose
1927 2c Burgoyne Campaign
1928 2c Wright Brothers Airplane
1928 International Civil Aeronautics Conference - set of 2
1928 5c Globe and Airplane
1929 2c George Rogers Clark
1929 Kansas Overprint, collection of 11 stamps
1929 Nebraska Overprint, collection of 11stamps
1929 2c Battle of Fallen Timbers
1929 2c Ohio River Canalization
1930 4c Taft, brown
1931 2c General Casimir Pulaski
1931 2c Yorktown Issue
1932 Washington Bicentennials, set of 12 stamps
1932 Washington Bicentennial: 6c Washington by John Trumbull
1932 2c Arbor Day
1932 3c 10th Summer Olympic Games: Runner at Starting Mark
1932 3c/5c Summer Olympic Games
1932 3c William Penn
1932 3c Daniel Webster
1933 1c Restoration of Fort Dearborn
Century of Progress
1933 3c Federal Building at Chicago
1933 3c National Recovery Act
1933 3c Byrd Antarctic Expedition
1933 5c General Tadeusz Kosciuszko
1934 3c Maryland Tercentenary
1934 3c Wisconsin Tercentenary
1934 3c National Parks: Mt. Rainier, Washington
1934 3c National Parks: Mt. Rainier, Washington, souvenir sheet
1934 3c Mt Rainier, imperf single
1934 1c National Parks: Yosemite, California, souvenir sheet
1934 1c Yosemite, imperf single
1935 3c Connecticut Tercentenary
1935 3c California Pacific Exposition
1936 3c Rhode Island Tercentenary
1936 3c Texas Centennial, imperf single
1936 3c Arkansas Centennial
1936 3c Oregon Territory Centennial
1936 3c Susan B. Anthony
1937 5c Army and Navy: West Point
1936 1c Army and Navy: John Paul Jones and John Barry
1937 3c Army and Navy: Farragut and Porter
1937 4c Army and Navy: Sampson, Dewey and Schley
1937 5c Virginia Dare
1937 10c Society of Philatelic Americans Convention, souvenir sheet
1937 3c Constitution Sesquicentennial