Not a lot known about these so far. Still on Gene's 'to be researched' list. Entire order was only 100 chips (25 of each color), so scarce for any hub collectors.
Delivered to W J Willis, Denver Colorado 7-21-32.
I posted about them a year ago:
If you want to buy them, email me. Just $14 shipped for the set of 4.
If you want to trade, read my lead-off post to see what I am after: