Investigate his feedback.
Contact some of the folks who've dealt with him.
That should give an idea.

Spammie wrote:

Now he is a Gonset Collector with over 400 pieces of Gonset Equipment

http://cgi.ebay.com/ws/eBayISAPI.dll...72525 99&rd=1


Does he have a call? Is he really even a ham??

Why are all the high bidders now hidden on his auctions?