Stereoview photograph depicting Mark Twain seated and writing in a notebook, published by Keystone View Company. The image shows Twain in later life with his characteristic white hair and mustache, seated in an interior setting with a writing pad and pen in hand. The photograph is a black and white silver gelatin stereoview dating to the early twentieth century. Printed title reads “V34494 Mark Twain at Work.”

Mark Twain was the pen name of Samuel L. Clemens (1835 to 1910), the American author and humorist best known for works including The Adventures of Tom Sawyer and Adventures of Huckleberry Finn. He is widely regarded as one of the most important figures in American literature.

The mount bears Keystone View Company publisher imprint along the sides reading “Meadville, Pa., New York, N.Y., Chicago, Ill., London, England.” The reverse contains a printed biographical text headed “Mark Twain, Samuel L. Clemens, The United States’ Most Famous Humorist.”