Original Item: Only One Available. This is a fantastic exceptionally rare World War One airship identification poster designed for the British public and printed under the authority of His Majesties Stationary Office. An identical poster can be found in the permanent collection of the Imperial War Museum in London and can be seen at this link. Overall condition is very good with vibrant color and only minor edge wear and imperfections.

The poster measures approximately 34.5" x 22.5". The  title and main text are positioned in the upper quarter, in black. The 24 images occupy the lower three- quarters, integrated with further text in red and in black. All set against a white background and held within a black and a red border. image: 24 silhouetted depictions of British and German airships and aircraft.

The text reads:

PUBLIC WARNING The public are advised to familiarise themselves with the appearance of British and German Airships and Aeroplanes, so that they may not
be alarmed by British aircraft, and may take shelter if German
aircraft appear. Should hostile aircraft be seen, take shelter
immediately in the nearest available house, preferably in the basement,
and remain there until the aircraft have left the vicinity: do not stand
about in crowds and do not touch unexploded bombs.
In the event of HOSTILE aircraft being seen in country districts, the nearest Naval, Military or Police Authorities should, if possible, be advised immediately by Telephone of the TIME OF APPEARANCE, the DIRECTION OF FLIGHT, and whether the aircraft is an Airship or an Aeroplane.

GERMAN AIRSHIPS
Note specially the shape of the Airships and the position of the passenger cars
ZEPPELIN
SCHUTTE-LANZ
PARSEVAL

BRITISH AIRSHIPS
H.M.A. ASTRA TORRES
H.M.A. BETA
H.M.A. ETA
H.M.A. PARSEVAL
Note specially the sloped-back wings of the German Aeroplanes
AEROPLANES
STAHLTAUBE MONOPLANE
RUMPLER TAUBE MONOPLANE
AVIATIK BIPLANE D.F.W. BIPLANE
ALBATROSS BIPLANE

AEROPLANES
BRISTOL BIPLANE
BRISTOL BIPLANE
AVRO BIPLANE
AVRO BIPLANE
SHORT BIPLANE
B.E. BIPLANE
H. FARMAN BIPLANE
SOPWITH TRACTOR BIPLANE
SOPWITH TRACTOR BIPLANE

LONDON: PRINTED UNDER THE AUTHORITY OF HIS MAJESTY'S STATIONERY OFFICE, By SIR JOSEPH CAUSTON AND SONS, LIMITED, 9, Eastcheap, E.C. To be purchased, either directly or through any Bookseller, from WYMAN AND SONS, LIMITED [address]; or H.M. STATIONERY OFFICE (Scottish Branch) [address]; or E. PONSONBY, LIMITED [address]; or from the Agencies in the British Colonies and Dependencies, The United States of America, the Continent of Europe and Abroad of T. FISCHER UNWIN, London, W.C. 1915. PRICE TWOPENCE COPYRIGHT Sir Joseph Causton and Sons, Ltd London.