I recently inherited some pretty old (1960s and 1970s) $1 Vegas chips from my grandfather. I collect only $5 chips, so I've been putting them on ebay - part of my promise was to find these a good home where they would be proudly displayed. Have a look my listings:

http://www.ebay.com/sch/mdslup/m.html?_nkw=&_armrs=1&_ipg=&_from=