August 17, 1972 || 11¢ Blue, Black, Green, Red &amp; Yellow || Olympic Games Issue - XI Olympic Winter Games - Sapporo 1972 || C85<br><small>33322-6</small>
Bureau of Engraving and Printing
U.S. Postal Service; <a rel="nofollow" class="external text" href="http://arago.si.edu/record_184250_img_1.html">National Postal Museum</a>