The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cambridge. St. John College. Entrance Gate. F. Frith. No. 60850
Cambridge. St. John College. Entrance Gate. F. Frith
Cambridge. St. John College. Entrance Gate. F. Frith. Series No. 60850
Cambridge. St. John College. Entrance Gate. F. Frith. No. 69850. 1917
Cambridge. St. John College. Entrance Gate. F. Frith. Reigate. No. 26453