Original 1945 WWII V-Mail Service envelope printed for the War & Navy Departments, marked 'Official Business' with penalty notice. Features a 'U.S. POSTAL SERVICE NO. 2' duplex postmark dated JUN 13, 1945. Addressed via die-cut window to Francis Merriman in Holtville, California, with handwritten forwarding notation in green ink to Sharon, Pennsylvania. Measures approx. 4.5 x 5.25 in. Very Good condition with expected mailing folds, a vertical crease near center, age toning, and light edge wear. Envelope/cover only; no letter included. Authentic World War II postal history ephemera.