(ATHINAI*30.12.66) (not departure canc.) first flight cover to "DAR-ES-SALAAM*31.DEC.1966" with commemorative canc. "1er VOL FRANKFURT-ATHENES.....-DAR ES SALAAM*ΑΘΗΝΑΙ*30.12.66" and "GERMANY-TANZANIA FIRST FLIGHT 30.12.66-TANZANIA LAND OF SPLENDOUR" in violet, by LH. (Hellas FF591).