Card Sharks and Con Men Warning. Material: paper. Size: 8 1/2" W. x 11" H. Description: cream paper - red and black print: "Warning! The Minneapolis & St. Louis Railway calls the attention of it's [sic] patrons to the fact that "Card Sharks" and "Con Men" have started their winter campaign on railroad trains." Minneapolis and St. Louis Railroad. M & St. L Railroad.
