Signed copies of Panzer Dragoon and Zwei spotted on ebay

I have no idea if these are legitimate, but I thought someone here might be interested in this.

http://www.ebay.com/itm/SEGA-Saturn-PANZER-DRAGOON-complete-JP-import-Japan-MINT-Signed-/141871212197?hash=item21082ee6a5:g:qF4AAOSwFqJWjn3U

http://www.ebay.com/itm/SEGA-Saturn-PANZER-DRAGOON-II-ZWEI-complete-JP-import-Japan-MINT-Signed-/141871214612?hash=item21082ef014:g:EC4AAOSw5dNWjn5d