Marx Brothers made a guest appearance to introduce the "Tonight Show's" new host, Johnny Carson. Around 1960, the acclaimed director Billy Wilder considered writing and directing a new Marx Brothers film. Tentatively titled "A Day at the U.N.", it was to be a comedy of international intrigue set around the United Nations building in New York. Wilder had discussions with Groucho and Gummo, but the project was put on hold because of Harpo's ill-health and abandoned when Chico died in 1961. He was 74. Three years later, on September 28, 1964, Harpo died at the age of 75 of a heart attack
First appearance values are according to "Comics Price Guide." Prices given are for the best available editions. Thus prices of Golden Age comics are for editions in "fine" condition because editions in better condition for such old comics are either extremely rare or have never been confirmed to exist. Prices for Silver Age and subsequent comics are for "very fine" editions. Priced are also for editions graded by the Certified Collectibles Group. Data is correct . First appearance In American comic books and other stories with a long history, first appearance refers to the first issue to feature a fictional character. These