St. Clair Tunnel, Port Huron, Mich. Postcard
St. Clair Tunnel, Port Huron, Mich. Undivided back postcard published by Kresge & Wilson, Detroit, Mich. Card is postmarked April 6, 1907, and contains a message on the back of the card (the U.S. Post Office permitted a message on the back of the card on March 1 of that year).
The term for which copyright shall subsist in photographs shall be the remainder of the calendar year of the making ofTherefore, this work would have been in the public domain in Canada as of January 1, 1999. While amendments to the Copyright Act modifying the duration of copyright in photographs came into effect on January 1, 1999, they applied only to works that were not already in the public domain (see sections 54 and 58 of Bill C-32). Therefore, this work is in the public domain in Canada. See disclaimers.
and a period of fifty years following the end of that calendar year.
- the initial negative or other plate from which the photograph was directly or indirectly derived, or
- the initial photograph, where there was no negative or other plate,