About the item: This 48-page, hardcover book features the work of acclaimed illustrator Mark Nelson. It is in nm/mint and unread condition and will be shipped with the utmost care. It is signed by Nelson and also features an original art sketch of an Alien on the first page. Please note- the signature is real and the sketch is real. They are not pre-printed images in the book. Contains some artistic nudity. ~Certificate of Authenticity/Provenance: Excepting pack-pulled autograph trading cards, CGC Signature Series, signed Sideshow prints, and like collectibles, all autographed items Vault Collectibles sells were personally witnessed, by myself, being signed by the writer, artist, or celebrity in question. No third party is involved. Further, art sketches - and most published original art I sell - were obtained directly from the artist themselves. For buyers desiring this guarantee in written form, this statement guarantees that the above referenced item is as stated in the listing description. A screen capture of the completed auction page, which includes this statement of provenance, may be saved by the buyer as a digital file or print off in hardcopy form. As this serves as written proof of said guarantee, no physical documentation will be included in the package when the item is mailed. J. Brian O?Bryant VaultCollectibles dba as empire.auctions