View of an advertising card for D.S. Hallock, advertising Dr. A.C. Hoxsie's Certain Croup Cure. Card depicts a girl holding a cat. Printed on back: "Dr. A.C. Hoxsie's Certain Croup Cure, positive, swift and sure. There is no remedy known that acts with such certain results. It contains no opium, the most delicate infant may take it. For sale by first-class druggists." Stamped on back: "From D.S. Hallock, druggist, cor. Fort & 18th Sts., Detroit, Mich."