I do not collect these,but I know that some of you do.
These are some of the ( Arizona Card Room's ) that I know of,I'm sure that there are other's.

Ace High-Surprise,Az.
Chip N' A Chair / Sweet Tooth Club-Peoria,Az.
Deal Me In -Scottsdale,Az.
Elite Poker-Avondale,Az.
Poker Nation-Phoenix,Az.
Rounders -Tempe,Az.
Frank's Place-Peoria,Az.
Aces & Eight's- Flagstaff,Az.
Club Royale- Tucson,Az.

I only have this one chip,slightly used condition.
I have just listed this chip on ebay.If interested.