Explorateur de timbres ↺ Scott or Y & T ? Education 1968-1969 Regular and Airmail Stamps (November 14, 1968) Sc 599 / YT 618 Sc 600 / YT 619 Sc 601 / YT 620 Sc C314 / YT PA392 Sc C315 / YT PA393 Sc C316 / YT PA394 50th Anniversary of the League of Red Cross Societies 1969 (June 25, 1969) Sc B41 / YT 642 Sc B42 / YT 643 Sc CB61 / YT PA415 Sc CB62 / YT PA416