Thank you all! I have read so many Twain/Indian documents in the past five days that I forgot to look at the obvious. Bob In a message dated 2/14/2014 8:08:00 P.M. Pacific Standard Time, [log in to unmask] writes: Bob, This story is from chapter 25 of ROUGHING IT. Barb On Friday, February 14, 2014, Robert E Stewart <[log in to unmask] (mailto:[log in to unmask]) > wrote: Help. Someplace I read, recently, that Orion Clemens sent an unsigned invoice to Washington for firewood delivered by an Indian. Washington denied payment. Sam then helped the Indian make a "very shaky" X as "his[X]mark and the bill went through with no problem. Can anyone help me with a cite? Bob Stewart