World-famous Irish tenor and recording artist (1884-1945), celebrated for his performances of the operatic and popular song repertoires. Vintage matte-finish 11 x 14 photo of the famed tenor, signed and inscribed in fountain pen “A token of sincere friendship and in gratitude for your kindness to me, dear Patterson Greene from John McCormack, March 1930.” In very good condition, with noticeable vertical creases affecting image, but not signature. RRAuction COA.