What is mills coins?

Mills coins were produced by Mills Novelty Company, a major manufacturer of slot machines and arcade equipment in the early 20th century. Mills coins were primarily used as currency in these machines and also as commemorative tokens. They were typically made of brass or nickel and came in various denominations such as one cent, five cents, ten cents, and twenty-five cents. Some Mills coins featured unique designs or images, such as the Liberty Bell or the Mills logo. Today, Mills coins are considered valuable collectibles among numismatists and vintage coin enthusiasts.