This Michelob beer coaster is a must-have for any Boston Bruins fan, especially those who admire Derek Sanderson's amazing hockey skills. This unique item is signed by Derek Sanderson himself, making it an authentic and valuable collectible for any sports memorabilia enthusiast. The autograph has been authenticated by James Spence Authentication (JSA), ensuring its legitimacy. This original piece is perfect for display in any sports memorabilia collection.