South Africa 1926 Mittelholzer "Afrikaflug" Napoli Stage

1926 MITTELHOLZER "AFRIKAFLUG": Cover from Zurich (28 X1) to Nice with front showing clearly the NAPOLI cds (8 12) and the special "AFRIKAFLUG" flight cachet. Backstamped. Attractive, VF, scarce. Swiss aviator Walter Mittelholzer undertook the 19000k journey between Zurich & Cape Town, this the first flight of a seaplane down Africa. Departure was 7?? December and the flight was arranged via Naples where the mail was in fact unloaded and thereafter conveyed onwards by ship. Mittelholzer continued the flight arriving in Cape Town February 21st 1927.