This 11x14 Coach's Collectibles Exclusive Custom Graphic Collage Photo has been personally hand-signed by NY Jets Hall of Fame Running Back Curtis Martin. Curtis has added the inscription "HOF 12" all signed in bold White paint pen. These Edits can NOT be found anywhere else for sale and are created and printed exclusively for Coach's Collectibles. This item was signed in the presence of and witnessed by a representative of Professional Sports Authenticator (PSA/DNA). It comes with an individually numbered, tamper evident sticker from PSA/DNA 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.