One of the feeder fleet at FRA.  Probably heading to an Eastern European destination - mid 1980's
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/15950205867/">Pan Am B737-200 N64AF at FRA</a>