Watson's Cough Drops

Colour trade card advertisement depicting an illustration of two children sitting up with a book on their lap. The caption at the bottom of the card states, "Watson's Cough Drops // are the best in the world for the throat and chest. //For the voice unequalled.  Try them.  R. & T. W. stamped on each drop."   The back of the card is blank. The top left corner of the card is ripped off.