Maybe a good idea if the club or someone affiliated with it kept a directory of eBay User IDs. People could volunteer their entry in the directory, then people could easily contact a lister on ebay without eBay interference. Perhaps the directory could include/cross reference the the BIDDER code too.

For example, I list under poker-chips-on-line, my eBay User ID. My code in the bidding is: s***-

Robert