A Collection of United States Commemorative Stamps 1904-1932 comprising:two singles and two blocks of four 1904 Louisiana Purchase 1-cent stamps, two singles and two blocks of four 1904 Louisiana Purchase 2-cent stamps,four singles, two blocks of four and two imperforate blocks of four 1909 Alaska-Yukon-Pacific 2-cent stamps,two singles and two blocks for four 1912 Panama-Pacific 1-cent stamps,two singles and two blocks of four 1912 Panama-Pacific 2-cent stamps,a single and a block of four 1915 Panama-Pacific 10 perf. 1, 2, 5 and 10-cent stamps,two singles and two blocks of four 1924 Huguenot-Walloon 1-cent stamps,two singles and two blocks of four 1924 Huguenot-Walloon 2-cent stamps,two singles and a block of four 1925 Lexington & Concord 1, 2 and 5-cent stamps,a 1926 International Philatelic Exhibition White Plains 25 stamp sheet,three singles and two blocks of four 1926 White Plains 2-cent stamps,a block of four 1926 Warren G. Harding imperforate 1 1/2-cent stamps, two singles and two blocks of four 1927 Vermont Sesquicentennial 2-cent stamps,two singles and two blocks of four 1927 Burgoyne Surrender 2-cent stamps,two singles and a block of four 1928 Valley Forge 2-cent stamps,two singles and a block of four Molly Pitcher Overprint 2-cent stamps, two singles and a block of four 1929 Edison Commemoraitve flat-plate 11 perf. 2-cent stamps,two singles and a block of four 1929 Edison Commemorative rotary-plate 11 x 10 1/2 perf. 2-cent stamps,a pair of 1926 Edison Commemorative rotary-plate vertical perforation 2-cent stamps,two singles and two blocks of four 1929 Battle of Fallen Timbers 2-cent stamps, two singles and two blocks of four 1929 Ohio River Canalization 2-cent stamps, two singles and two blocks of four 1930 Massachusetts Bay Colony 2-cent stamps,two singles and two blocks of four 1930 Charleston, SC 2-cent stamps,two singles and two blocks of four 1931 Yorktown 2-cent stamps,two singles and two blocks of four 1932 Winter Olympics 2-cent stamps,a single and a block of four 1932 Arbor Day stamps, three singles and three blocks of four 1932 Washington Bicentennial 3-cent stamps,two singles and two blocks of four 1932 Washington Bicentennial 4-cent stamps,three singles and three blocks of four 1932 Washington Bicentennial 5-cent stamps,three singles and three blocks of four 1932 Washington Bicentennial 6-cent stamps,two singles and two blocks of four 1932 Washington Bicentennial 9-cent stamps,a single and a block of four 1932 Washington Bicentennial 10-cent stamps.