Battle Creek, Michigan: Postum Cereal Co., Ltd., c. 1912. Pamphlet. 13 x 8 cm. Color illustrated, folded pamphlet extolling "A BIG NEED" for the beverage - Instant Postum. Charles William Post (1854-1914) invented Postum, a cereal beverage, in 1895. Blaming various ailments on caffeinated beverages, Post heavily advertised this product..... More