Pictorial Envelope: 1 envelope; 3 x 5 1/2 in. A map of the United States with the flag covering the entirety of it. Design takes up the entire back of the white envelope. Ink used is red, blue and black. Printed at bottom: 'Entered according to an act of Congress, in the year 1861, by William Perris, in the Clerk's Office of the District Court of the United States for the Southern District of New York.'