Explorateur de timbres ↺ Scott or Y & T ? International Year of the Child 1979 Regular and Airmail Stamps (December 19, 1979) Sc 721 / YT 773 Sc 722 / YT 774 Sc 723 / YT 775 Sc C483 / YT PA586 Sc C484 / YT PA587 Sc C485 / YT PA588 Sc C486 / YT PA589