I read about these awhile back. That is the Tour Authentic line. You can tell by the "TH" beside the degree notation. I think it sits closer to the face.
Here you go if you want one. I think I might just grab 3 or 4 to mess around with.
NEW CALLAWAY FT-5 MENS TOUR AUTHENTIC DRIVER 9.5 TH - eBay (item 200234501146 end time Jul-25-08 15:00:57 PDT)