Unused First Day Covers

1957 3c Marquis de Lafayette 200th Birthday First Day Cover First Day Cover

1957 3c Lafayette First Day Cover First Day Cover

1972 8c Stamp Collecting First Day Cover First Day Cover

1972 8c Pharmacy First Day Cover First Day Cover

1972 7c Benjamin Franklin First Day Cover First Day Cover

1972 8c Tom Sawyer First Day Cover First Day Cover

1972 8c Osteopathic Medicine FDC First Day Cover

1972 8c National PTA 75th Anniversary FDC First Day Cover

1972 8c 100th Anniversary of Mail Order First Day Cover First Day Cover

1960 4c American Credo Series Thomas Jefferson First Day Cover First Day Cover

1963 5c John James Audubon First Day Cover First Day Cover

1958 8c Simon Bolivar Champion of Liberty First Day Cover First Day Cover

1958 4c Simon Bolivar Champion of Liberty Block of Four First Day Cover First Day Cover

1958 4c Simon Bolivar Champion of Liberty First Day Cover First Day Cover

1958 3c Mackinac Bridge, Michigan First Day Cover First Day Cover

1958 3c Mackinac Bridge Dedication Block of Four Stamps First Day Cover First Day Cover

1958 3c International Geophysical Year First Day Cover First Day Cover

1958 3c International Geophysical Year Block of 4 Stamps First Day Cover First Day Cover

1958 3c Brussels World&#039;s Fair Block of Four Stamps FDC First Day Cover

1958 3c Brussels World&#039;s Fair First Day Cover First Day Cover

1958 3c Gardening Horticulture Block of Four Stamps First Day Cover First Day Cover

1958 3c Gardening and Horticulture First Day Cover First Day Cover

1972 8c Colonial American Craftsmen FDC First Day Cover

1972 8c Colonial American Craftsmen First Day Cover First Day Cover