First Day Covers

American Revolution Centennial Block of Stamps First Day Cover

Honoring George Gershwin, American Composer First Day Cover

Honoring George Gershwin First Day Cover

American Revolution Bicentennial 1973 First Day Cover

Rising Spirit of Independence American Revolution Bicentennial 1973 Block of Stamps First Day Cover

500th Anniversary Birth of Nicolaus Copernicus First Day Cover

500th Anniversary Birth of Nicolaus Copernicus 1473-1973 Plate Block of Stamps First Day Cover

In Memoriam Harry S. Truman First Day Cover

American Revolution Bicentennial 1973 First Day Cover

American Revolution BIcentennial 1973 Block of Stamps First Day Cover

Honoring Amadeo Peter Giannini, 1870-1949 First Day Cover

Progress in Electronics Block of Stamps First Day Cover

Progress in Electronics Series of 1973 Block of Stamps First Day Cover

Progress in Electronics Series of 1973 First Day Cover

Progress in Electronics, Series of 1973 Block of Stamps First Day Cover

Progress in Electronics Block of Stamps First Day Cover

Progress in Electronics Series of 1973 First Day Cover

Honoring Robinson Jeffers 1897-1962 American Poet First Day Cover

Amadeo Peter Giannini 21¢ Prominent American Series First Day Cover

In Memoriam Lyndon B. Johnson 1908-1973 First Day Cover

In Memoriam Lyndon B. Johnson 1908-1973 Block of Stamps First Day Cover

Drummer - Rising Spirit of Independence - American Revolution Bicentennial 1973 First Day Cover

American Revolution Bicentennial 1973 Block of Stamps First Day Cover

Centennial Introduction of Angus Cattle into the United States 1873-1973 First Day Cover