A black and white 5"x7" postcard of the <a href="https://en.wikipedia.org/wiki/1970_Baltimore_Colts_season" class="extiw" title="en:1970 Baltimore Colts season">1970 Baltimore Colts</a>.  This postcard is postmarked from Baltimore, Maryland on March 25, 1971.
Baltimore Colts
<a rel="nofollow" class="external text" href="http://www.ebay.com/itm/1970-Baltimore-Colts-Team-Photo-Postcard-5x7-John-Sandusky-John-Unitas-NFL-/172495729316">1970 Baltimore Colts Team Photo Postcard 5x7 John Sandusky John Unitas NFL</a>. <i>eBay Inc.</i> Retrieved 26 April 2017