1926 2c Sesquicentennial Exposition: Liberty Bell
1929 1/2c Nathan Hale, olive brown
1895 1c Franklin, blue, double line watermark
1917 1c Washington green, perf 11
1918 3c Washington, perf 11, type IV
1920 1c Pilgrim Tercentenary: The Mayflower
1925 1 1/2c Harding, yellow brown
1923 14c American Indian, deep blue
1926-28 1-1/2c Warren G. Harding, imperforate
1926-28 3c Lincoln, violet
1927 2c Burgoyne Campaign
1928 2c Valley Forge Issue: Washington at Prayer
1928 2c Wright Brothers Airplane
1928 5c Globe and Airplane
1929 2c George Rogers Clark
1929 2c Edison's First Lamp, flat plate
1929 2c Battle of Fallen Timbers
1926 15c Airmail Perf 11
1927 20c Airmail Perf 11
1927 10c Lindbergh Iss dk blue
1927 10c Rotary Press
1894 2c Washington, carmine lake, type I
1894 2c Washington, carmine, unwatermarked, type II
1901 2c Pan-American Exposition: Empire State Express