The Certificate of Authenticity from Dynamic Forces reads: "Dynamic Forces Inc. has issued this certificate to authenticate this "2099 CROSSOVER COLLECTION" featuring
SPIDER-MAN 2099 #16 signed by writer, Peter David
Doom 2099 #14 signed by artist, John Nyberg
Punisher 2099 #13 signed by artist, Jimmy Palmiotti
Ravage 2099 #15 signed by artist Keith Williams; and
X-Men 2099 #5 signed by artist, Ron Lim
as one of a specially limited series of five thousand collections."
Only one certificate is included as all 5 books were sold by Dynamic Forces as a set.