Explorateur de timbres ↺ Scott or Y & T ? Space Rendezvous of Gemini VI and VII (in 1965) 1966-1968 Regular and Airmail Stamps (May 3, 1966) Sc 544 / YT 552 Sc 545 / YT 553 Sc 546 / YT 554 Sc 547 / YT 555 Sc C263 / YT PA332 Sc C264 / YT PA333 Sc C265 / YT PA334 10th Winter Olympic Games Grenoble 1968 (April 19, 1968) Sc 584 / YT 602 Sc C296 / YT PA373 Sc C297 / YT PA374 Sc C298 / YT PA375