These are the first chips issued with the new "Parkwest" logo. They are blackjack tournament chips. You earn them when playing blackjack for get suited 21 or if you play the blackjack buster and the dealer busts with 5 cards or more. They have no cash value, but they can be used at the blackjack tournament as an "add on". I didn't stay for the tourney....so I took them home.
As far as I know ....none of the 5 Northern California Parkwest properties have issued any new chips(other than these) that I know of.

Parkwest Sonoma was formally The 101 Casino (Petaluma). They still have all the 101 signs out side and still use the old chips. Before it was The 101 Casino ....it was Sonoma Joe's.