GERMANY → SUDAN → SOUTH AFRICA first flight covers from Frankfurt to Khartoum to Johannesburg, first cover with purple “ERӦFFNUNGSFLUG” rectangular cachet, Frankfurt Flughaven datestamp of 14 May 1962 and Khartoum arrival datestamp of 15 May 1962; and second cover with purple “INAUGURALFLIGHT” triangle cachet, Khartoum datestamp of 15 May 1962 and Johannesburg arrival datestamp of 15 May 1962.