It looks like perhaps it was a photographic version of that. Her certainly was honored for his participation in several major military events including Boer, India and Afghanistan.
Frederik Roberts was one of only 2 people who were not royalty (other being Churchill) to lie in state at Westminster hall before his funeral, a state funeral. He served as godfather to Prince Henry, Duke of Gloucester. Henry was named in part for him (2 names came from godparents). He was in the funeral procession of both Victoria and her son Edward.