I personally got this signed in Detroit, Michigan at the Motor City Comic Con between 1999 and 2003.  

I even have a photo of him and I.  This card would be considered to be Chewbacca's rookie card in the Star Wars CCG universe.

Any questions, please ask.  

Free Insurance.

Check out my other auctions for other Star Wars stuff and other Autographed stuff.  SWCCG. Star Wars CCG. SW CCG.