Stamp Finder ↺ Scott or Y & T ? 10th Winter Olympic Games Grenoble 1968 Regular and Airmail Stamps (November 11, 1968) Sc 609 / YT 609 Sc 609A / YT 610 Sc 609B / YT 611 Sc 609C / YT 612 Sc 609D / YT 613 Sc 609E / YT 614 Sc 609F / YT PA387 Souvenir Sheet (November 11, 1968) Sc 609G / YT BF24 Sc 609G imperforated / YT BF24