Covers Mails

Quality: ✉

1937 N° 60 “Vloors – 5fr. grey” overprinted “RUANDA-URUNDI”, single franking on an airmail letter posted on 20 April 1937 – transit marks “KIGOMA 21 AP 1937” and “DODOMA 24 AP 1937”, rare but correct postage (postage ’1.50fr." + airmail surcharge of 3.50fr., very fine