The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
First Masters House. Harrow School 1816
First Masters House. Harrow School. 1816
First Master House. Harrow School. 1816
The Head Masters House. Rugby School 1816. 1907
Leytonstone. Trinity Street. Harrow Green School. 1897. London Borough of Waltham Forest. Vestry House Museum Photographic Collection. 1983