Museum of Gaming History An Educational Project of The Casino Collectibles Association, Inc. An IRS approved 501 (c) (3) Tax Exempt Not-For-Profit Organization
ChipGuide - A Catalog of Casino Chips and Collectibles
These chips also seem to share two different colors of purple inserts. CG00036 and CG18155 both have lighter inserts than CG10745.You can see some explanatory images by clicking here..