View of an advertising card for Fred Rohnert, depicting a girl holding a cat. Printed on front: "Burdock Blood Bitters. Cosack & Co., Buffalo, N.Y." Printed on back [in part]: "Call her May. Full set of cards will be sent on receipt of 3 cts. stamp, address Foster, Milburn & Co., Buffalo, N.Y. Burdock Blood Bitters never fail to give satisfaction. Every bottle warranted. By all druggists. Sold by Fred Rohnert, druggist. 455 Jefferson Ave., Detroit, Mich."