The 10-cent Peace on Earth pre-canceled Christmas stamp was first placed on sale at New York City on November 15, 1974. This issue was the first US postage stamp printed with pressure-sensitive adhesive paper.
Bureau of Engraving and Printing. Designed by Robert W. Bode.
U.S. Postal Service; National Postal Museum: <a rel="nofollow" class="external text" href="http://arago.si.edu/category_2034713.html">1974 Christmas Issue</a>