This Official Major League Baseball has been personally hand-signed by Mets All Time Legend Keith Hernandez. He has added the inscription "Mets 1st Captain". This item was signed in the presence of and witnessed by a representative of Beckett Authentication. It comes with an individually numbered, tamper evident sticker from Beckett 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.