US <a href="//commons.wikimedia.org/wiki/Postage_stamp" class="mw-redirect" title="Postage stamp">postage stamp</a>: 3-cent stamp commemorating the centennial of the birth of <a href="https://en.wikipedia.org/wiki/Andrew_Mellon" class="extiw" title="en:Andrew Mellon">Andrew W. Mellon</a> (1855-1937) issued December 20, 1955.
Bureau of Engraving and Printing. Designed by Victor S. McCloskey, Jr., reproduced from a print of the portrait of Andrew W. Mellon by Oswald Birley.
U.S. Postal Service; National Postal Museum: <a rel="nofollow" class="external text" href="http://arago.si.edu/category_2029256.html">Andrew W. Mellon Issue</a>