Each edition of the Prime #1 Printer's Proof Edition comes with a Certificate of Authencity direct from Malibu Comics and explains the process of gut sampling.
It's uncertain as of this writing how many of this issue exist, however, the certificate states the following: "There are always a limited number of these untrimmed printer's proofs that are intended for the use of Editorial and printing staff in evaluating the final product in time to catch any possible defects in the book.
"Prime Time"
There's a new hero in town and everyone is talking about him. Unfortunately the ones doing the listening may not be out for his best interests. In the end, our hero finds that there is a lot he does not know about his new found powers.