The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Sainte Marie among the Hurons. Midland Ontario. Canada. Peterborough Airways. 1974
Ontario. Canada. Lookout. Peterborough Airways. H. R. Oakman
Canada. Ontario. Ottawa. Peterborough Airways Ltd. H. R. Oakman
Canada. 1000 Islands Ivy Lea. Ontario. Peterborough Airways. H. R. Oakman. Multi View
Canada. Ontario. Ottawa. Peterborough Airways. H. Moritz. Dexter Color. H. R. Oakman. Postcard
Canada. Ontario. Gravenhurst. The Entrance. Peterborough Post Card Co. Ltd. H. R. Oakman. D. Ross
Canada. Ontario. Peterborough. Lift Locks. Peterborough Airways Ltd. H. R. Oakman
Ontario. Canada. 1000 Islands. Peterborough Airways. H. R. Oakman
