Steve, is this what you are referring to? (Click link)
https://ccgtcc.com/education/selling_casino_collectibles.aspx

If so, it was added to the CCA website recently as a "public service" to members and others.

It was authored, I believe, by the Membership Growth & Engagement Committee chaired by Doug Smith. Check with Doug on authorship name ... or even list is as by CCA itself.

Hope that helps.