About the item:  

Thor #350, signed by hand by Walt Simonson and authenticated by CGC with a grade of 9.6 with off white to white pages.  With Signature Series books a certified CGC witness actually observes the signing of the comic so there is no possibility of the real autograph being switched out with another.  This issue features the Marvel frame cover, celebrating their anniversary (the same 'frame' appeared on all the issues that month.  It will be shipped with the utmost care.