| Kansas Centennial First Day Issue , May 10,1961 |
| Statue of Liberty Centennial First Day Cover |
| Oregon Centennial 1936 First Day Cover Lewiston Idaho |
| 1936 Arkansas Centennial First Day Cover Little Rock |
| France 1949 Centennial First Day Cover Scott 613 |
| France 1949 Centennial First Day Cover Scott 613 |
| Irish(Eire) 1974 UPU Centennial First Day Cover |
| 1963 GETTYSBURG / CIVIL WAR CENTENNIAL First Day Cover |
| 1938 IOWA CENTENNIAL FIRST DAY COVER /SCOTT#838 |
| BASEBALL CENTENNIAL FIRST DAY COVER-GRANDY CACHET |
| Baseball Centennial First Day Cover 1939 |
| 1939 Baseball Centennial First Day of Issue |
| 1959 Silver Centennial 4 cent First Day Cover |
| Civil War Centennial FDC First Day Covers 1961-1965 |
| Sept 11, 1964 Doctors Mayo (centennial) First Day Cover |
| Idaho Statehood Centennial First Day Issue |
| CIVIL WAR CENTENNIAL WILDERNESS FIRST DAY COVER 1964 |
| South Dakota Statehood Centennial First Day Issue stamp |
| ND Statehood Centennial First Day Issue stamp |
| Washington Statehood Centennial First Day Issue stamp |
| CIVIL WAR CENTENNIAL SHILOH FIRST DAY COVER 1962 L@@K |