HOME View Cart On-Line Catalog Stamp Shows 1920 Scott 548-550 1921 No New Issues 1922 Scott 551-574 1923 Scott 575-613 1924 Scott 614-616 1925 Scott 617-626 1926 Scott 627-642 1927 Scott 643-644 1928 Scott 645-650 1929 Scott 651-681   2020s 2000s 2010s 1980s 1990s 1960s 1970s 1940s 1950s 1920s 1930s 1910s   Back-of-Book   Plate Blocks   Plate Number Coils   United States Issues - 1928 Scott   Description 645   2c Valley Forge (1778 - 150 Years) 646   2c George Washington "Molly Pitcher Overprint" — Battle of Monmouth NJ (1778 June 28 150 Years) 647   2c George Washington "Hawaii Overprint" — Hawaii Discovery (1778 January 18 - 200 Years) 648   5c Theodore Roosevelt "Hawaii Overprint" — Hawaii Discovery (1778 January 18 - 200 Years)     Civil Aeronautics Conference Washington DC (1928 December 12-14) 649   2c Wright Airplane (First Flight - 1903 December 17 - 25 Years) 650   5c Airplane and Globe         Last Update:  Wednesday, November 10, 2021 For Comments, Problems or Questions regarding this Web Site contact  report@lcpshome.org