Christmas 6-cent 1970 issue U.S. stamp based on the "Nativity" painting by Lorenzo Lotto.
Bureau of Engraving and Printing. Designed by Howard C. Mildner.
U.S. Postal Service; National Postal Museum: <a rel="nofollow" class="external text" href="http://arago.si.edu/category_2034341.html">1970 Christmas Issue</a>