UMA THURMAN SIGNED’KILL BILL’ 11×14 PHOTO AUTOGRAPH BAS COA #BH047637. Signed in person, 100% authentic. This Uma Thurman Kill Bill signed 11×14 photo has been authenticated by Beckett. The BAS COA Cert Number is BH047637. Uma signed this 11×14 photo nicely in person using a blue sharpie. This is a must have autograph for any fan.