The Fourth Postage Due Issue -1935-1967

This fantastic issue was one of the longest running in Canadian philatelic history. It is replete with shade, perforation, gum and paper variations for the careful student. It is the only early modern issue that begins before World War 2 that still contains hibrite paper varieties. I am surprised that it doesn't receive more attention than it does. 

This table is a work-in-progress and will grow as I work on more stamps of the issue.