The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Callander and Loch Vennachar. Valentine. Silveresque. 1955
Loch Vennachar. Callander. 91545. Silveresque. Valentines
Callander and Loch Vennacher. Valentine. Silveresque. 1944
Callander and Loch Vennachar. Valentine. No 73957
Callander. Loch Vennachar. Valentine. RP
Invertrossachs. Loch Vennachar. Callander. Valentine. Bromotype. No 9152
Loch Vennachar. Callander. Valentines Series. 1920
Callander and Loch Vennacher. Valentine. Bromotone Post Cards. 1931