1916 WW1 PPC AIR RAID COMIC AIRSHIPS BARROW IN FURNESS MESSAGE re MILITARY SHELLS

Comic colour picture postcard, Air Raid, Airships at night, postally used to Burnley Lancs, with message re military shells “not egg shells!!”  KG5th 1/2d franking, Barrow in Furness machine cancel.  Unusual card.  Creased.