The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. The Tower Bridge. Arthur Dixon. 1950
London by Night. Tower Bridge. J. Arthur Dixon. Wilfred W. Roberts
Tower of London. And Tower Bridge. J. Arthur Dixon. Aerofilms
London by Night. The Tower of London and Tower Bridge. J. Arthur Dixon. Wilfred W. Roberts. 1962
The Tower and Tower Bridge. J. Arthur Dixon. W. W. Roberts
The Tower of London and Tower Bridge. J. Arthur Dixon. Wilfred W. Roberts. B. A. F. R. P. S. 1968
Tower Bridge. J. Arthur Dixon. P. Russell
London by Night. Tower Bridge. J. Arthur Dixon. W. W. Roberts