Unused First Day Covers

1968 30c John Dewey First Day Cover First Day Cover

1968 6c Washington&#039;s Cruisers Flag FDC First Day Cover

1968 12c Henry Ford First Day Cover First Day Cover

1968 50c Lucy Stone First Day Cover First Day Cover

1968 6c Walt Disney First Day Cover First Day Cover

1968 6c Marquette Explorer First Day Cover First Day Cover

1968 6c Daniel Boone American Folklore Series First Day Cover First Day Cover

1968 6c Arkansas River Navigation First Day Cover First Day Cover

1968 6c Leif Erikson First Day Cover First Day Cover

1954 20c Special Delivery First Day Cover First Day Cover

1971 8c Historic Preservation First Day Cover First Day Cover

1978 13c American Dance FDC First Day Cover

1978 13c American Dance First Day Cover First Day Cover

1978 13c American Dance First Day Cover First Day Cover

1951 20c Rotary Press Special Delivery First Day Cover First Day Cover

1977 13c Energy Conservation First Day Cover First Day Cover

1977 13c Energy Development First Day Cover First Day Cover

1977 13c Energy Conservation First Day Cover First Day Cover

1977 1c The Ability to Write Block of Four Stamps FDC First Day Cover

1952 80c High Value Air Parcel Post First Day Cover First Day Cover

1954 3c Statue of Liberty Block of Four Stamps First Day Cover First Day Cover

1971 8c Eisenhower First Class Postal Rate Increase First Day Cover

1972 6c Olympics Cycling First Day Cover First Day Cover

1972 8c XI Olympic Winter Games Sapporo FDC First Day Cover