It is the actual, hand-signed signature of Horn. It is not a pre-printed image on the print. No third party is involved.
Greg Horn SIGNED Marvel Comic Avengers Super Hero Art Print ~ Mighty Thor
Greg Horn SIGNED Marvel Comics Spiderman Super Hero Art Print ~ Miles Morales
Greg Horn SIGNED Marvel Comics Super Hero Spiderman Art Print ~ Miles Morales
Greg Horn SIGNED Marvel 2014 Convention EXCLUSIVE X-Men Art Print ~ Wolverine
Greg Horn SIGNED Marvel Comics Spiderman Super Hero Art Print ~ Black Cat
GREG HORN SIGNED 11X17 GLOSSY SIGNED PRINT WOLVERINE DEATH REAPERS X-MEN MARVEL
