Although of course, there could have been a $10 chip. For the 6338 Laurel Canyon Blvd. address (Ed Korbel), I drive by there almost every day! Various businesses have been in that small storefront, currently, Top Dragon Massage.

https://www.yelp.com/biz/top-dragon-massage-los-angeles-2

Never known a cardroom to be there so Mr. Korbel's venture must have been long ago and somewhat secret.