The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
German VI Flying Bomb. Imperial War Museum. S. W. Sharman
German VI Flying Bomb. Imperial War Museum
German V. 1. Flying Bomb. Imperial War Museum. No. MH. 721
Youth Mourning. Imperial War Museum. George Clausen RA. The Beacon Press
Clive Barker. German Head. Imperial War Museum. Gavin Martin Ltd. London
Boeing 17G Flying Fortress. Imperial War Museum. Gavin Martin
Gibbs Dentifrice. First World War Advertising Showcard. Imperial War Museum. Gerald Wood. Gavin Martin
Boeing 17. G. Flying Fortress. Imperial War Museum. Westerham Press