This 16'' x 20'' photograph has been personally hand-signed by William Karlsson. It is officially licensed by the National Hockey League and comes with an individually numbered, tamper-evident hologram from Fanatics Authentic. To ensure authenticity, the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. It measures 26.5'' x 27.5'' and comes ready to hang in any home or office.