Fun ''Grease'' memento signed by John Travolta and Olivia Newton-John, a Rydell High School letterman sweater like the one worn by Travolta as Danny Zuko when he tries to woo Sandy back by competing in sports. Signed by both actors on the front in black felt-tip. Knitted cardigan sweater is size XL. Black ink mark on collar, else near fine condition. With Celebrity Authentic COAs for both actors.