This custom Mark Jankowski autograph is featured on a brand-new Calgary Flames logo hockey stick blade. Jankowski signed the blade in black sharpie, as seen in the photo provided. As evidence of its authenticity, this hockey stick blade has been carefully verified and certified by an expert from Beckett Authentication Services (BAS). Please visit www.Beckett-Authentication.com and enter the authentication number S38306 for verification. Be sure to click on the images to view them in full size, and feel free to explore our website for more NHL and Olympics autographed collectibles.