10.5x14.25” textured paper die-cut folder has shamrock-shaped die-cut window for “The Shamrock” restaurant issued as a souvenir c. late 1940s-early 1950s. When opened, folder reveals paper with bw photo images of Harpo and Chico Marx with “Harpo And Chico Marx - Musical Pixies Whose Antics Have Given A New Dimension To Comedy - Bring Their Whimsies To The Hospitable Shamrock’s Parade Of Stars” text. Exc. Sheet is taped in place and reverse has menu. Scattered aging where die-cut window is. Lt. wear to window itself. Signed in green ink “To Max, Best Wishes Chico Marx Harpo Marx.” Moderately aged with .5x1” area of staining at lower right corner and right margin wear. VG/Fine with Fine signature areas. Comes with Hake’s COA.