I believe what you call a Heck Boy token is actually a Check Boy token; the "C" is ornately scripted from the left.The Mills Novelty Company of Chicago, Illinois was once a leading manufacturer of coin operated machines, including slot machines, vending machines, and jukeboxes, in the United States--including Check Boy machines. It's hayday was between the years 1907 and 1916. Here are two sites that shed more light on this company and its products.