LT Central Line Western Extension ZeroOriginal vintage London Transport travel advertising poster for the Central Line Western Extension open June 30 through trains from the City and West End GWR. Dynamic design by the notable graphic designer Zero (Hans Schleger; 1898 1976) featuring a bow and arrow with red circles marking the underground train stations North Acton Hangar Lane Perivale Greenford through it against a white background with the shadow and text below. Good condition,