<a href="https://en.wikipedia.org/wiki/Kansas_City_Chiefs" class="extiw" title="en:Kansas City Chiefs">Kansas City Chiefs</a> quarterback <a href="https://en.wikipedia.org/wiki/Len_Dawson" class="extiw" title="en:Len Dawson">Len Dawson</a> pictured attempting a pass.
Denver Broncos/Unlimited Printing &amp; Systems, Inc.
between circa 1970 and circa 1975 <div style="display: none;">date QS:P,+1970-00-00T00:00:00Z/8,P1319,+1970-00-00T00:00:00Z/9,P1326,+1975-00-00T00:00:00Z/9,P1480,Q5727902</div><br><small><i>(Photograph was taken between 1970-1975 and published on the 1985 Denver Broncos season tickets)</i></small>
<a rel="nofollow" class="external text" href="http://www.ebay.com/itm/Kansas-City-Chiefs-Denver-Broncos-1985-ticket-stub-Len-Dawson-photo-John-Elway-/191761822390">Kansas City Chiefs @ Denver Broncos 1985 ticket stub Len Dawson photo John Elway</a>. <i>eBay Inc.</i> Retrieved 19 January 2017