Public domain
This Canadian work is in the public domain in Canada because its copyright has expired for one of the following reasons:
1. it was subject to Crown copyright and was first published more than 50 years ago, or

it was not subject to Crown copyright, and

2. it is a photograph that was created before January 1, 1949, or
3. the creator died more than 50 years ago.
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The media description page should identify which reason applies, and should also have a rationale explaining the copyright status of the work in the U.S. Some Canadian photographs created before 1949 may be copyrighted outside of Canada, such as e.g. the images of Yousuf Karsh.