print. poster. Public Warning. British and German airships and aeroplanes. / Printed by Sir Joseph Causton and Sons Ltd., London under the authority of His Majesty's Stationery Office, 1915. Price Twopence. 87x56.5cm. Silhouettes for identification. With: adhered at bottom: cigarette card for Lambert & Butler's cigarettes, showing Blackburn monoplane [-1915], no.14 of set of 25. 4x7cm.