The above panel is from a newspaper strip called 'Mr. Straphanger', signed by an artist called Burt Thomas. He was a political cartoonist for the Detroit News from 1912 to 1951. He created 'Mr Straphanger' in 1924.
If anyone can tell us more about this artist, we would be very grateful. Send biographical details, strips published, comic links or scans to Lambiek by email.