Fox Signed Funko POP! Back to the Future Marty McFly Cowboy #816. Vinyl figures measure approximately 4 tall and has been hand-signed on the packaging by Michael J. Includes an official James Spence Authentication (JSA) hologram and matching COA for authenticity purposes. The signing of this item was witnessed by JSA. Due to the uniqueness of each item, please refer to the photos provided in this listing. Shown photos are high resolution images of each item rather than a written description of condition.