Operating the LHR service in the late 1970's, I think.  The QC version of the 727 - the freight door just visible.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/22041228954/">Icelandair 727-100QC TF-FLG at LHR</a>