This double sided leaflet is 3 x almost 6 inches folded and 12 x 11 3/4 inches opened. Issued by the Metropolitan and Great Central Joint Committee it is undated. However the Joint Committee ceased to exist at the 1948 nationalisation The leaflet refers to the bank holiday weekend dates as Sat 5 and Sun 6 August. a combination arising in 1939 & 1944 and next in 1950. So this leaflet is likely to be 1944 assuming it had printing priority in wartime.