The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Edinburgh Castle. National Galleries and Royal Institution. Brown and Rawcliffe
Edinburgh Castle from Gardens. National Gallery. Royal Institution. W. R. and S. Reliable Series
Edinburgh Castle. National Gallery and Royal Institute. 1916
Edinburgh Castle. Royal Institution and Princes Street. Pixie. 1910
Edinburgh Castle. Royal Institution and Princess Street. Pixie series
Edinburgh Castle. Royal Institution and Princes Street. Pixie. 1912
Castle and Royal Institution. Edinburgh
Floodlighting of Edinburgh Castle From National Gallery. Valentine. RP