Colour card advertisement of medicinal candy that treats worms, depicting an illustration of a girl with her dog, with text, "McKENZIE'S DEAD SHOT WORM CANDY FOR WORMS. W.H. COSTOCK, Sole Proprietor, Brockville, Ont." The back of the card contains text stating, "Popularity at Holland Harbor. Guysboro, N.S. - March 14th, 1887. W.H. Comstock: SIR, I have been your agent here for a great many year and have sold lots of pills…"