I think the company was called Canadian Decalcomania or something to that effect. I believe I have some decals at home with their name on them .
Nothing looks worse on a beautiful (or even a non-beautiful) WW2 vehicle that the stylized 1960s Liberal party maple leaf as part of a tactical sign.
Edited to add: Yep, that is pretty close to the correct company name, and they were out of TO.
https://www.google.ca/search?safe=ac....0.j1EjCrGJu8c