I was just going to email the seller to find out the story, and found the auction to be cancelled
http://cgi.ebay.com/Rare-Mustard-5-Hotel-Last-Frontier-C-S-Casino-Chip_W0QQitemZ6236103964

Invalid Item
This listing (6236103964) has been removed by eBay or is no longer available. Please make sure that you've entered the item number correctly.
If the item was removed by eBay, please consider this transaction canceled. If anybody contacts you to complete the sale, please ignore the request. Completing the sale outside of eBay may be unsafe and will not be covered by eBay purchase protection programs.

Items that ended more than 90 days ago are no longer accessible through the eBay system.

Robert