View of an advertising card for the Klean Linen Service. Portrait of the racehorse Man o' War and calendar for April 1944 is printed on front. Printed on front: "Klean Linen Servie, Detroit 6, Mich. Man o' War, R.H. Palenske." Printed on back: "Man o' War. Klean Linen Service. We rent clean linen. Office towels, industrial wipers. Detroit 6, Mich. Brown & Bigelow, St. Paul, Minn. Printed in U.S.A."