1953 3¢ General George S. Patton, Jr.
2019 First-Class Forever Stamp - First Moon Landing
1963 8c Amelia Earhart
1969 6c Apollo 8 Moon Orbit
1985 33c China Clipper
1962 4c Project Mercury
1982 20c Franklin Delano Roosevelt
2019 First-Class Forever Stamp - USS Missouri
1969 10c Moon Landing
1948 3c California Gold Rush Centennial
2002 34c & 11c Semipostal - Heroes of 2001, non denominated
2014 $2.00 Circus Souvenir Sheet
2018 First-Class Forever Stamp - Sally Ride
1994 #2841a Moon Landing FDC,cancel error
2019 First-Class Forever Stamp - Transcontinental Railroad
1978 21c Jenny
1956 3¢ & 8c FIPEX, s/s
2017 First-Class Forever Stamp - Total Solar Eclipse
1985 44c Transpacific
1950 3c California Statehood Centennial
1974 10c The Legend of Sleepy Hollow
2004 37c USS Constellation
2010 44c Sunday Funnies: Calvin and Hobbes
2019 First-Class Forever Stamp - Woodstock
1978 15c Viking Missions to Mars
1984 20c Literary Arts: Herman Melville
1994 29c WWII: Bastogne and Battle of the Bulge
1999 33c California Gold Rush
2004 37c Dr. Seuss
2018 First-Class Forever Stamp - Mister Rogers
1952 3¢ Mt. Rushmore Memorial
1964 5c Kennedy Memorial
1984 20c Smokey Bear, Fire Prevention
2010 44c Distinguished Sailors: Doris Miller
2018 First-Class Forever Stamp - World War I: Turning the Tide
2019 First-Class Forever Stamp - Purple Heart
1968 10c 50th Anniv Air Mail
1948 5c Swedish Pioneer Centennial
1964 5c Christmas
1967 5c Finnish Independence
1973 8c Boston Tea Party
2000 33c Celebrate the Century - 1980s: Fall of the Berlin Wall
2019 85c Literary Arts: Walt Whitman
1996 20c Princeton University Postal Card FDC
1991 Airmail Post C. Yankee Clipper
1955 3¢ Pennsylvania Academy
1957 3¢ Religious Freedom
1958 3¢ International Geophysical Year