The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Canada. Chateau Frontenac. Quebec. Photogelatine Engraving
Chateau Frontenac. Quebec. Canada. W. B. Edwards
Quebec. Canada. Chateau Frontenac. Folkard
Chateau Frontenac. Quebec. Canada
Chateau Frontenac. Quebec. Canada. Emile Kirouac
The Citadel and Chateau Frontenac. Quebec. Canada. 1930