First Day Covers

1954 3c Liberty Regular Postage First Day Cover First Day Cover

1954 3c George Eastman First Day Cover First Day Cover

1977 13c Colorado Statehood Centennial First Day Cover First Day Cover

1951 3c Colorado Statehood 75th Anniversary First Day Cover First Day Cover

1971 8c Historic Preservation First Day Cover First Day Cover

1968 15c Oliver Wendell Holmes First Day Cover First Day Cover

1960 4c SEATO First Day Cover First Day Cover

1971 11c Air Mail Booklet First Day Cover First Day Cover

1971 11c Air Mail First Day Cover First Day Cover

1971 11c Air Mail First Day Cover First Day Cover

1975 10c D.W. Griffith First Day Cover First Day Cover

1975 10c Paul Laurence Dunbar First Day Cover First Day Cover

1975 18c Peter Francisco First Day Cover First Day Cover

1975 8c Sybil Ludington First Day Cover First Day Cover

1975 10c Salem Poor American Revolution First Day Cover First Day Cover

1975 10c Haym Salomon First Day Cover First Day Cover

1968 6c First Class Domestic Postal Rate First Day Cover First Day Cover

1968 6c Fifty Star Flag First Day Cover First Day Cover

1968 2c Frank Lloyd Wright First Day Cover First Day Cover

1968 10c Air Mail First Day Cover First Day Cover

1973 8c Lyndon B. Johnson First Day Cover First Day Cover

1952 3c Mount Rushmore National Memorial 25th Anniversary First Day Cover First Day Cover

1965 5c Herbert Hoover 91st Birthday Anniversary First Day Cover First Day Cover

1965 25c Paul Revere First Day Cover First Day Cover