Amazing Spider-man #642 NYCC Variant CGC 9.8 Signature Series comic book, from Marvel Comics, which has been signed by John Romita Jr., the cover artist, with his father John Romita Sr., on this issue!
This hard to find Amazing Spider-man Variant comic was only available as a limited edition at the 2010 New York Comic Con.
It has been professionally graded by CGC, the largest independent comic grading company in the world, and slabbed in a sealed tamper proof protective case.
The comic grade is guaranteed to be high investment grade 9.8 (NEAR MINT/MINT) and this is a yellow label CGC signature series, which means that an authorised CGC representative witnessed the signing and this also acts as a Certificate Of Authenticity. CGC remove the comic as soon as it is signed and ship it to their facility in Florida, to ensure that the signature is authentic.
You can check the validity of this item and the signature by entering the 10 digit code on the yellow label at the CGC web-site.
There are no cracks on the case.