This photograph has been personally hand signed by Olympic gold medal swimming champion Michael Phelps. It comes with an individually numbered; tamper evident hologram from Mounted Memories. 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. Michael Phelps signed Olympics swimming action photograph. Item comes with a Grandstand Sports certificate of authenticity (COA), and tamper-proof hologram.