RARE 10x8-inch color still from The Exorcist (1973), in the horror classic's infamous levitation sequence, boldly signed by Linda Blair (who played the demoniac Reagan McNeil) in blue felt-tip marker in-person at a signing event and Jason Miller (who played Jesuit priest Fr. Damian Karras) in black felt-tip marker at a private signing at his home. In good condition and accompanied by a certification certificate from the third-party authentication service J.S.A.