August 17, 1910 First Air Mail ever to be carried by heavier-than-air-craft in Great Britain, Flight Blackpool - Southport had to be abandoned after 7 miles due to bad weather, the flown cards were overprinted in red on the backside and posted in London 08-26, lovely sample of this rare flight franked with ½ Penny stamp, certified Bolaffi
6; Flugpost; FLUGPOST INTERNATIONAL; Großbritannien