View of an advertising card for Frederick Rohnert, depicting a young woman in costume, holding a sword. Printed on front: "Red Star cough cure. See other side. Mayer, Merkel & Ottmann, lith. N.Y." Statement of Dr. Samuel K. Cox, D.D. printed on back. Printed on back [in part]: "The Charles A. Vogeler Company, sole owners and manufacturers, Baltimore, Maryland, U.S.A. Red Star cough cure is sold by: Fred'k Rohnert, 455 Jefferson Avenue, cor. Rivard Street, Detroit, Michigan."