United States postage stamp: philatelic
c. 1966, in honor of the Sixth International Philatelic Exhibition
designed by Thomas F. Naegele
Korea postage stamps: moon landing souvenir sheet
c. 1969
“postage stamps to commemorate the first landing on the moon of Apollo 11”
China postage stamp: green pig
c. 1960, part of Pig Breeding set
designed by Liu Shuoren
Bulgaria postage stamp: space ship
c. 1959, in honor of Children’s Day?
Czechoslovakia postage stamp: blue bird
c. 1966
designed by J. Kaiser, engraved by Jindra Schmidt?
Montserrat postage stamp: new schools
c. 1969, from Development Projects set
