This 30" x 30" stretched canvas of Muhammad Ali standing over Sonny Liston is the perfect addition to any collection. This canvas comes with an individually numbered, tamper-evident hologram from PSA/DNA. 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. Made in the USA Personally Autographed by Muhammad Ali PSA/DNA Authenticated Includes tamper-evident hologram to ensure authenticity Officially licensed This product is guaranteed authentic and includes a tamper-evident PSA/DNA Hologram.