This Sean Monahan signed Calgary Flames hockey stick blade is a custom, featuring the team logo. Sean Monahan used a black sharpie to sign the blade, as seen in the included proof photo. Rest assured, this product has been examined and certified as authentic by an expert from Beckett Authentication Services (BAS). You can verify its authenticity by visiting www.Beckett-Authentication.com and entering the authentication number S38352. Be sure to click on images to enlarge and browse our website for more autographed collectibles, including those from the NHL and Olympics.