The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Dudley Castle. Triple Gate. Prince Series. 1909
Dudley Castle. Triple Gateway. William Haddon. Haddon Series
Triple Gateway. Dudley Castle. Bunneys Series. 1413. 1906
Triple Gateway. Dudley Castle. Jaysee
Triple Gateway. Dudley Castle. Valentine. 1905
Triple Gateway. Dudley Castle. Valentine. 1906
Triple Gateway. Dudley Castle
Keep. Dudley Castle. Pelham Series. Boots. Chemists. 1916