This item was consigned by a former equipment manager for the Williamsport Crosscutters. They were the Phillies Single A affiliate while he was there. Brock Stassi was with the Crosscutters in 2011 and 2012, and eventually played 51 games in the Majors with the Phillies. We guarantee all uncertified autographs to pass 3rd party authentication with CAS our authenticator of choice. If you want to get autographs certified you need to notify us before you pay. We submit them for you. If an autograph doesn't pass we refund both the purchase price AND the authentication fee.