Academy Award winner for his performance in A Tree Grows In Brooklyn. Fantastic vintage glossy 8 x 10 portrait of the actor, apparently in deep thought, with his chin resting in his hand, signed and inscribed in fountain pen “To Mush.” According to the collector’s notations on the reverse, the signature was obtained at the Shubert Theatre, where Dunn was appearing in Babes in Arms, May 28, 1937. In fine condition, with mild corner bends, a few minor creases and a bit of edge wear. R&R COA.