Lot 09329

3xfirst flight cover from “”ΑΘΗΝΑΙ*21.VII.60” to “ZURICH*21.VII.60”, “FRANKFURT*21.7.60” and “BRUXELLES*21.7.60”, commemorative canc. “ATHINAI-ZURICH-FRANKFURT-BRUSSELS*OLYMPIC AIRWAYS FIRST FLIGHT by Comet 4B*21.VII.60” on special OA covers. (Hellas FF537A+537B+537C).