Venom #151 Mary Jane Variant CGC 9.8 Signature Series comic book from Marvel Comics, which is signed by Francesco Mattina, the cover artist!
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. CGC also authenticated the original creator signature.
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 by entering the 10 digit number on the label at the CGC web-site at www.cgccomics.com
There are no cracks on the case. Any glare on the scan is just caused by reflection on the outer case from the scanner.