The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. The Strand from Admiralty Arch. Photochrom. 1925
Aldwych from Air and Earth. Aerofilms. Series A. No. 35. Multi View
Series A. No. 35. Aldwych from Air and Earth. Aerofilms. St. Pauls Hospital Competition. Multi View
London. New Admiralty Arch. From the Mall. The Regent Photographic Series. No. 726
Aldwych from Air and Earth. Series A. No. 35. Air Phot. Aerofilms. Multi View
London. Admiralty Arch from Mall
London. Trafalgar Square and Admiralty Arch. Aircraft Manufacturing Co. Ltd. No. 23
Series A. No. 11. Air photo Aerofilms. St. Pauls Cathedral from Air and Earth. St. Pauls Hospital Competition. Multi View