Year unknown, looks like the 1950s.
Nice product tie-in.
Donkey Franklin D. Roosevelt defeats Elephant Alf Landon (who?).
Again, nice product tie-in (Canadian company?).
1940. Big oil and politics.
Donkey Franklin D. Roosevelt defeats Elephant Wendell Willkie.
1952. Elephant Dwight D. Eisenhower defeats Donkey Adlai Stevenson.
Donkey John F. Kennedy defeats Elephant Richard M. Nixon.
Donkey Jimmy Carter defeats Elephant Gerald Ford.