I was the lucky bidder on the auction for these two lovely chips. My question is what were they used for. Since they say "Don't Pass Bar" and "2 Aces" I'm guessing they're some type of craps marker chip. I don't see any casino name, so I'm figuring they were for home use. Any ideas?

http://cgi.ebay.com/ws/eBayISAPI.dll?MfcISAPICommand=ViewItem&item=2136390647