This CUSTOM Blue NY Islanders “Identity Line” Jersey has been personally hand-signed by all three members of the best 4th line in Hockey, Cal Clutterbuck, Matt Martin & Casey Cizikas. Custom jerseys are approximately size XL and have no branding or team logos of any sort on them. This item was signed in the presence of and witnessed by a representative of James Spence Authentication. It comes with an individually numbered, tamper evident sticker from JSA which can be reviewed online to ensure authenticity. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.