There are many photos of the Valentine Tank on the web site of the National Archives of Canada.
http://data4.collectionscanada.ca/ne...e.html&r=0&f=S
http://data4.collectionscanada.ca/ne...e.html&r=0&f=S
Click on the small square on the left to see the description of the photo, and then on the small photo to see the large copy.
I hope this helps.