1944 3c Completion of First Transcontinental Railroad
1969 6c Apollo 8 Moon Orbit
2020 First-Class Forever Stamp - Lunar New Year: Year of the Rat
2020 First-Class Forever Stamps - Ruth Asawa
2020 First-Class Forever Stamp - Mayflower in Plymouth Harbor
1970 6c Natural History
1945 3c US Armed Forces: Iwo Jima
1967 5c Accomplishments in Space
1969 6c Botanical Congress
2020 First-Class Forever Stamps - Hip Hop
2020 First-Class Forever Stamps - Bugs Bunny
1969 10c Moon Landing
1949 3c Washington and Lee University
1962 4c Project Mercury
1972 2c National Parks Centennial: Cape Hatteras National Seashore
1940 3c Pony Express 80th Anniversary
1945 3c Florida Statehood
1946 5c Roosevelt and Four Freedoms
1945 3c US Armed Forces: Army
1959 Liberty Series - 2 1/2¢ Bunker Hill Monument
1961 Liberty Series - 11¢ Statue of Liberty
1960 4c American Credo: Francis Scott Key
1961 4c American Credo: Patrick Henry
1960 8c Champion of Liberty: Thomas G. Masaryk
1960 4c Pony Express Centennial
1961 4c Civil War Centennial: Firing on Fort Sumter
1964 5c Christmas
1964 5c Amateur Radio
1973 21c Amadeo P. Giannini
1970 6c Stone Mountain Memorial
1971 8c Space Achievements
1981 18c Space Achievement
2021 First-Class Forever Stamp - Lunar New Year: Year of the Ox
1936 3c Texas Centennial
1938 4 1/2c White House, dark gray
1938 5c Monroe, bright blue
1940 3c Emancipation Memorial, 13th Amendment
1944 3c Centenary of the Telegraph
1944 3c Corregidor, Manila Bay
1946 3c US Armed Forces: Veterans of World War II
1953 3¢ General George S. Patton, Jr.
1954 Liberty Series - 8¢ Statue of Liberty, Rotary Press
1958 4¢ Overland Mail
1960 4c American Credo: Benjamin Franklin
1960 4c American Credo: Thomas Jefferson
1960 4c American Credo: Abraham Lincoln
1960 4c Champion of Liberty: Thomas G. Masaryk
1960 4c Champions of Liberty: Ignacy Paderewski