Autograph of Marvin Hagler written on a photo of his brother Rockin Robbie Sims. Marvin wrote to his brother on the  photo. The contents are “To Bob my brother will be next champion of the world some day. May God bless us both. He will knock “Duran Out #86. Very good condition and comes with a COA from JSA Authenticators. 7 1/2″ x 10 1/4”.