The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Peterborough. Cathedral West Front. RP. Postcard
Peterborough Cathedral. West Front. F. Frith. No. 51551. 1915
Peterborough Cathedral. West Front. F. Frith
Peterborough Cathedral. West Front. Friths Series. No. 51551
S. 14653. Peterborough Cathedral. West Front. Kingsway Real Photo Series. 1925
50. West front. Peterborough Cathedral. Kings Lodging Series. RP
S. 14653. Peterborough Cathedral. West Front. 34. Derwent Real Photo Series
Peterborough Cathedral. West Front. J. Salmon. RP