This is a round celluloid advertising mirror for Horlick’s Malted Milk. The back of the mirror features a young woman holding a large can of Horlick’s Malted Milk and standing next to a cow. This pocket mirror reads, “The Diet For Infants, Invalids, and Nursing Mothers, The Original Malted Milk, Ask for Horlick’s At All Fountains, Ask For Horlick’s Avoid Substitutes”.