World War II-dated fountain pen signature, "G. S. Patton, Jr, South Hamilton, Mass,” on an off-white 3.5 x 3 envelope address panel (presumably addressed to his wife, Mrs. George S. Patton, Jr.), postmarked May 13, 1944. In very good to fine condition, with light staining. Encapsulated and graded by PSA/DNA as "NM-MT 8."