It is the actual, hand-signed signature of Nowlan. It is not a pre-printed image on the print. No third party is involved. J. Brian O’Bryant.
Kevin Nowlan SIGNED DC Comics Super Hero Art Print ~ Batman Outsiders Katana
Neal Adams AND Kevin Nowlan SIGNED DC Comics Art Print Green Arrow #1 DC Rebirth
Kevin Nowlan SIGNED DC Comic Super Hero Art Print - Batman & Robin / Year One #2
