They aren't coinage in the normal sense of the word usage. They can't be used anyplace other than at the point of issuing which would be the company store, some companies went so far as to not allow the use in other of their stores in different locations. I to am not a collector, but do have an increasing number in my collection from my bulk buys. There are a good number of information sources on the net. Along with some really over inflated prices. There are some that do command a premium and are rare. Ther5e also are a number of books wrtten about them. and the larger denominations generally bring more money



















