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

1919: R.A.F. Emergency Flight Egypt, printed O.H.M.S. "The Palestine News" wrapper, sent on first military flight from Cairo to Palestine, dated 18th March 1919, with "ARMY POST OFFICE SZ 10" (Cairo) datestamp in black, with additional large format circular cachet "AERIAL POST EEF" (type 1) applied in Alexandria and "BASE ARMY POST OFFICE Z" double circle dated 20th March 1919 and two-line "AERIAL POST / EEF." violet cachet; very rare example of military first flight mail during civil unrest/riots in Cairo and scarce combination of marks which were in use for three days (Muller M 10a/b).