Lot 605 KENYA, UGANDA & TANG. (K.U.T.)

1932 (17 Aug) First All Air Feeder Service three covers in three special blue printed folders each showing the mail route on a map, with the air cover 20c yellow-brown P/S env uprated with 15c red GV adhs tied NAIROBI cds for Nairobi to Zanzibar, Mombasa or Dar Es Salaam. Some pen ink smudges otherwise intr trio.