United-States

1929 George Rogers Clark

1928 Aeronautics Conference Issue

1928 The 150th Anniversary of the Battle of Monmouth

1928 The 150th Anniversary of the Discovery of Hawaii by Captain Cook

1928 The 150th Anniversary of Washington’s Encampment at Valley Forge

1927 The Surrender of General Burgoyne at Saratoga – Painting by John Trumball, 1756-1843

1927 Vermont Sesquicentennial Issue – Green Mountain Boy

1926 The 150th Anniversary of the Battle of White Plains

1926 Statue of John Ericsson, 1803-1889

1926 Independence Sesquicentannial Exposition