Unused First Day Covers

1962 4c Project Mercury First Day Cover First Day Cover

1976 13c American Farmer Bicentennial Era First Day Cover First Day Cover

1980 15c Honeybee First Day Cover First Day Cover

1972 8c Eisenhower First Class Postal Rate Revised Design Booklet First Day Cover

1960 3c Liberty Embossed Envelope First Day Cover First Day Cover

1960 4c Robert A. Taft First Day Cover First Day Cover

1958 4c Benjamin Franklin Embossed Envelope First Day Cover First Day Cover

1958 4c Lincoln-Douglas Debates First Day Cover First Day Cover

1958 3c Lincoln-Douglas Debates First Day Cover First Day Cover

1970 6c South Carolina Tricentennial First Day Cover First Day Cover

1959 7c Alaska Statehood First Day Cover First Day Cover

1971 8c United States in Space First Day Cover First Day Cover

1964 8c Robert H. Goddard First Day Cover First Day Cover

1953 3c New York City 300th Anniversary Block of Stamps First Day Cover First Day Cover

1954 3c Kansas Territory Centennial Block of 4 Stamps First Day Cover First Day Cover

1954 3c Kansas Territory Centennial First Day Cover First Day Cover

1950 3c Indiana Territory Sesquicentennial First Day Cover First Day Cover

1950 3c California Statehood Centennial First Day Cover First Day Cover

1975 13c Benjamin Franklin First Day Cover First Day Cover

1976 13c Signing of the Declaration of Independence First Day Cover First Day Cover

1976 13c Signing of the Declaration of Independence First Day Cover First Day Cover

1976 13c Signing of the Declaration of Independence FDC First Day Cover

1976 13c Signing of the Declaration of Independence FDC First Day Cover

1975 10c Pioneer Jupiter First Day Cover First Day Cover