I know a lot of people who collect chips collect other stuff as well. So July 24-27 is the National Sports Collectors Convention at AC Convention Center.

For information on the show check out http://natlconv.com/national/national2003/

For discounted 1-day admission you can sign-ip for a NAXCOM.COM account (http://www.naxcom.com) and purchase a discounted ticket for $5.00