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.
LARGE VERSION Nathan Szerdy SIGNED Art Print Batman Gotham Diner Batgirl Robin
NEW VERSION Nathan Szerdy SIGNED Marvel Comics Spiderman Art Print ~ Black Cat
NATHAN SZERDY HAND SIGNED 12X18 ART PRINT JOKER SMILING CLOSE UP FACE NEW BATMAN
Nathan Szerdy SIGNED Batman Art Print Joker Bruce Wayne
NATHAN SZERDY SIGNED 12X18 ART PRINT JOKER HARLEY QUINN BATMAN #251 ADAMS HOMAGE
Nathan Szerdy SIGNED Aloha Hula Dancer Print
