The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Canada. Toronto. Ontario Science Centre. Traveltime Product. Grant Mann Lithographers Ltd. W. J. L. Gibbons
Canada. Ontario. Ontario Science Centre. Traveltime Product
Canada. Ontario Science Centre. Traveltime. Grant Mann Lithographers. W. J. L. Gibbons
The Ontario Science Centre. Toronto. Ontario. Canada. E. Ludwig. Hinde
Canada. Ontario Science Centre. Metro Toronto News. W. J. L. Gibbons
Canada. Ontario. Toronto. Ontario Place. Traveltime Product. Ramon Stringer. 1983
Canada. Ontario Place. Toronto. Ontario. A Traveltime Product. Russ Spencer. 1977
Canada. Ontario. Toronto. Ontario Place. A Traveltime. George Hunter
