9 1/2 x 4 1/4, envelope featuring an illustration of President Lincoln at left. Imprint reads, Gettysburg National Museum, Inc., Gettysburg, Pa., World's Largest Collection of American Civil War Relics. Below this is President Lincoln's Gettysburg Address, and at the bottom is, See The Battle Of Gettysburg Re-Enacted On The Electric Map, "One of America's Greatest Attractions." Circular date stamped, Gettysburg, Pa., Nov. 19, 1963, 3 PM, with a 5 cents U.S. Battle of Gettysburg postage stamp that is stamped in black "Pray For Peace." The reverse of the envelope is titled, "Historic Gettysburg invites you," and has illustrations of monuments that are on the battlefield. Complete with back flap. Choice unused condition. Very desirable Gettysburg collectible.