I saw this auction and have some .25 chips from "Bingo Flash"??

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=70956&item=6119366128&rd=1&ssPageName=WDVW

What is the story behind these chips??

I have never saw any other chips, $5 or $1, or .50 cent??

If is a real casino, where are the chips?

Thanks

Jesse #R6310