Cast-signed ''Back to the Future'' comic #1, graded 9.8 mint by CGC, and with the powerful virgin variant cover by Corbyn S. Kern that has no wording to compete with the artwork. Comic is signed boldly in silver felt-tip by Michael J. Fox (Marty McFly), Christopher Lloyd (Doc Brown), Thomas Wilson (Biff Tannen), Lea Thompson (Lorraine Baines), Claudia Wells (Jennifer Parker) and screenwriter Bob Gale, with several also adding their character's names. Measures 8.125'' x 13'' as encapsulated. With COAs for each signature from Celebrity Authentics.