Colorado Rockies Baseball Store

"This Colorado Rockies cap is hand signed by Mike Hampton. Hampton's the only active pitcher with more than 300 AB and an average above .200. This product is officially licensed and authenticated by Major League Baseball and 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."