The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Harrow School. Photochrom. Graphic Studios. 1956
Harrow School. Photochrom. Postcard
Harrow School and Chapel. 78207. Photochrom. 1956
Harrow School and Chapel. 78207. Photochrom
Harrow School and Chapel. Photochrom. No 78207
Harrow School. Bill. 74653. Photochrom
Harrow School and Chapel. Photochrom