Unused First Day Covers

1974 10c Universal Postal Union 100th Anniversary First Day Cover First Day Cover

1974 10c Universal Postal Union 100th Anniversary FDC First Day Cover

1974 10c Universal Postal Union 100th Anniversary FDC First Day Cover

1959 8c World Peace Through World Trade FDC First Day Cover

1959 4c Arctic Explorations First Day Cover First Day Cover

1959 4c NATO 10th Anniversary First Day Cover First Day Cover

1959 8c Jose de San Martin Champion of Liberty First Day Cover First Day Cover

1959 4c Jose de San Martin Champion of Liberty First Day Cover First Day Cover

1958 4c Forest Conservation First Day Cover First Day Cover

1975 13c Liberty Bell First Day Cover First Day Cover

1975 13c First Class Domestic Postal Rate Coil FDC First Day Cover

1958 4c Noah Webster First Day Cover First Day Cover

1982 20c USA-Netherlands Diplomatic Relations FDC First Day Cover

1969 6c Beautification of America First Day Cover First Day Cover

1962 4c Winslow Homer First Day Cover First Day Cover

1972 8c Olympics First Day Cover First Day Cover

1962 8c US Air Mail New Postal Rates First Day Cover First Day Cover

1963 8c US Air Mail Booklet First Day Cover First Day Cover

1962 8c Air Mail First Day Cover First Day Cover

1962 5c New Postal Rates First Day Cover First Day Cover

1963 5c US Capitol First Day Cover First Day Cover

1975 13c Liberty Tree First Day Cover First Day Cover

1975 11c Freedom of the Press First Day Cover First Day Cover

1981 18c Frederic Remington First Day Cover First Day Cover