Here is one great old ashtray, most likely from an illegal joint outside of Helena, Montana.

Steve Goodrich, my mentor for Pacific Northwest joints gives it a 90% chance that they had gaming. Steve has been a saint in helping me identify these old MT and ID places.

If nothing else you have to love the cocky little owl.

The glass is old enough that it has turned a nice shade of purple.

You might have to scroll down to see the pic.

Mark, remember to "Hoard Responsibly."