(1911 Windsor Flight) 1911 (SP 9) card addressed to “Captain John Humpfrey, Yorkshire Regt, District Commissioner, Lagos, Southern Nigeria” franked two ½d. tied FIRST UNITED KINGDOM AERIAL POST LONDON cds, reverse with unclear entry cds of SP 29 and double ring BADAGRY SOUTHERN NIGERIA cds of SP 30; a fine and most unusual destination and part from slight ink smudge in very fine condition with arrival cancels