It is the actual, hand-signed signature of Jacobus. It is not a pre-printed image on the print. No third party is involved.
Tim Jacobus SIGNED Goosebumps Art Print R. L. Stine Horror at Camp Jellyjam
Tim Jacobus SIGNED Goosebumps Horror Art Print ~ R. L. Stine Monster Blood II
CGC SS Tim Jacobus SIGNED Goosebumps Art Print R. L. Stine Night of Living Dummy
Goosebumps Artist Tim Jacobus SIGNED Art Print Undead Album Cover Frankenstein
Goosebumps Artist Tim Jacobus SIGNED Art Print ~ Edgar Allan Poe The Raven
Tim Bradstreet SIGNED IDW Star Trek Artist Proof AP Art Print Into Darkness
