P.D. Ayer & Co. Series 2 postcards, as enumerated by Mike Smith in his latest book, The Canadian Patriotic & Heraldic Postcard Handbook 1897–1945, illustrate an image of the Red Ensign flag.
AYR2-042
AYR2-009
AYR2-023
AYR2-024
Card Back Type II
AYR2-030
