Slipknot Vol 3 The Subliminal Verses Group Signed Vinyl Record Album COA.. Signed by Corey Taylor, Jim Root, Mick Thomson, Shawn Clown Crahan and Sid Wilson. Guaranteed to pass any authentication.. A COA from Mil City Collectibles will accompany the Photo as well… If you have any questions feel free to contact me. Thanks for your interest in my item.