Many machines seem to have issued tokens rather than mints (or possibly as payout in addition to mints). In many cases, these tokens could probably be exchanged for cash "under the counter." Mints or candy are mentioned on many different tokens from this period.

J. H. Keeny & Co. (center token) made amusement and gambling machines in Chicago. Keeny was bought by Mills Novelto Co. in the 1960's.

Some machines also disguised themselves as vending machines by giving cigarettes or cigars rather than mints.

Ginger (left token) was a small 3-reel slot trade stimulator slot machine made by Groetchen Tool & Mfg. Co. of Chicago. This slot machine was introduced in June of 1937. Some "Ginger" tokens have different numbers of stars rather than saying "2 packs" or "5 packs." This was done to disguise the gambling nature of the machine. As with the mints tokens, it was probably possible to exchange tokens for cash, at least at some operations.

Sparks (right token) was a similar slot machine also made by Groetchen, and was introduced in January of 1938.

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