We are offering a hand signed Official Major League Baseball by 16 Perfect Game Pitchers including:  Signatures include Roy Halladay who inscribed "PG 5-29-10", Sandy Koufax who inscribed "PG 9/9/65", Randy Johnson who inscribed "PG 5/18/04", Jim Bunning who inscribed "PG 6/21/64", Don Larsen who inscribed "PG 10-8-56", David Cone who inscribed "PG 7-18-99", David Wells who inscribed "PG 5-17-98", Felix Hernandez who inscribed "PG 08-15-12", Dennis Martinez who inscribed "PG 7/28/91", Mark Buehrle who inscribed "PG 7-23-09", Tom Browning who inscribed "PG 9-16-88", Mike Witt who inscribed "PG 9-30-84", Matt Cain who inscribed "PG 6-13-12", Len Barker who inscribed "PG 5-15-81", Dallas Braden who inscribed "PG 5-9-10" and Philip Humber who inscribed "PG 4-21-12". .   This item was hand signed in person.  In addition this item has been authenticated by BAS (Beckett Authentication Services)  .  Also comes with BAS Letter of Authenticity with hologram affixed to the letter.