Madison Bumgarner Signed San Francisco Giants Ticket 1st MLB HR BAS Slab 25228 This is an official ticket from June 12th 2012 between the San Francisco Giants and Houston Astros that was personally autographed by Madison Bumgarner with 1st MLB HR inscription. This is the exact item that you will receive so please see scans for condition. This has been slabbed by Beckett Grading Services (BAS) and includes a certificate of authenticity from Denver Autographs.