Black, orange, and red text on a white background. Illustration of a devil's face and flames centered on button. back side of button is a hollow candy tin with small hole to dispense the Little Imps.
Little Imps were a licorice flavored candy and sore throat remedy produced in the early 1900s by The American Confection Company in Boston. The New England Confectionery Company (NECCO) was also based in Boston, so this candy may have been produced by one of the firms they acquired.
Traditionally, imps are a type of spicy candy flavored with either cinnamon or licorice, with a shape of small rounded pellets. Little Imps were probably very similar to the still-produced Mighty Imps, which are flavored with licorice and menthol. These are used by singers and public speakers for for clarity of throat.