Another of Jacques Codère for the community. Location: unknown. Date: 1940.
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C'est Bon Magnifique trésor de la famille Great Share Thank You .. I think given the time span, cannon vintage and changes made to the tower since, that it is the Martello Tower Plains Of Abraham , Quebec.
http://silverhawkauthor.com/artillery-preserved-in-canada-6b-quebec-city_417.html
http://www.fortwiki.com/Quebec_Martello_Tower_1
http://www.thecanadianencyclopedia.ca/en/article/martello-tower/
Tres Bien ..