It is the actual, hand-signed signature of Szerdy. It is not a pre-printed image on the print. No third party is involved. J. Brian O’Bryant.
Nathan Szerdy SIGNED Batman Art Print Joker Bruce Wayne
Nathan Szerdy SIGNED Batman DC Comic Art Print ~ Huntress Robin Beyond
Nathan Szerdy SIGNED Batman DC Comics Art Print ~ Catwoman Calendar Girl
NATHAN SZERDY SIGNED 12X18 ART PRINT JOKER HARLEY QUINN BATMAN #251 ADAMS HOMAGE
