Traveling Salesman (1921)
Traveling Salesman is a 1921 American comedy film starring Fatty Arbuckle. It is based on a 1908 play, The Traveling Salesman, by James Grant Forbes. A 1916 film of the play starred Frank McIntyre who had also starred in the play. The survival status both films is classified as unknown, which suggests that they are lost films.
More at Wikipedia.