We had a link earlier to a lot of Groucho Marx on radio. Here's his brother — the one who didn't talk on camera — on an obscure syndicated TV show called Celebrity Golf hosted by Harry Von Zell, who some of you may recall from the George Burns-Gracie Allen radio and TV programs.
Wikipedia says "Harpo's two final television appearances came less than a month apart in late 1962. He portrayed a guardian angel on CBS's The Red Skelton Show on September 25. He guest starred as himself on October 20 in the episode "Musicale" of ABC's Mr. Smith Goes to Washington, a sitcom starring Fess Parker, based on the 1939 Frank Capra film. This show aired in October of 1963, less than a year before Harpo passed away. [UPDATE: Or maybe it aired in 1961.]
It's Harpo playing golf against Sam Snead, who a lot of people said was the best golfer in the world. I am incapable of watching more than about forty-five seconds of televised golf without lapsing into a coma, even if one of the players is Harpo Marx. Still, it's always nice to see something of him that you never saw before…