Collective Bargaining Issue - out of conflict...accord - 10-cent 1975 U.S. stamp.
Bureau of Engraving and Printing. Designed by Robert Hallock.
U.S. Postal Service; National Postal Museum: <a rel="nofollow" class="external text" href="http://arago.si.edu/category_2034722.html">Collective Bargaining Issue</a>.