The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Shrewsbury. Castle Bridge. F. Frith and Co. Ltd. No. 68222a
Shrewsbury Castle. Friths Series. No. 51361
Skipton Castle. Yorkshire. Frith Series. 1904
Shrewsbury. The Castle. Fish Street. J. Salmon. Multi View
The Castle. Shrewsbury. Salmon. No 17523. RP
The Castle Shrewsbury. Princess
The Castle. Shrewsbury. Kingsway. RP. 1932
The Castle. Shrewsbury. G. D. and D. L. The Star. 1921