This was part of a set of 6 commemorative chips commissioned by the Colorado Department of Gaming in 2001 for the 10th Anniversary of gaming in Colorado. Huck Henderson was head of Gaming at the time, and he was a great friend to Colorado collectors. The sets were given out by Huck to his employees and also sold to collectors. A complete set is supposedly worth $125-175 but I have seen them trade for less. The mintage is unknown.