Auction 321 - 332 Europe & Overseas Great Britain & British Commonwealth - Day 3

1925: R.A.F. Survey Air Mail Flight Cairo to Kano, cover from Helwan les Bains, Cairo, Egypt to Kano, Nigeria, dated 26th October 1925, franked with 10 m. tied by Helwan les Bains datestamp, endorsed "By Special Air Mail / Cairo - Kano", to reverse arrival dated 2nd November 1925; addressed by the Commanding Officer of flights, Squandron Leader A. C. Coningham, sent to Sgt. Grant (mechanic flying one of the aircrafts); some opening faults to top and right side, otherwise fine and very rare.