Large Calligraphy Portrait of Prairie Indian

This is an original folk art calligraphy drawing that depicts a Prairie Indian. This drawing is on paper that measures 13.5" by 23.5" and is all done in ink. This is a unique and primitive work that is well over 150 years old. It has been rolled up for many years and doesn't look like it was ever framed. There are a few rough edges a fold mark and some discoloration here and there from light exposure. Unless there is a signature hidden in the calligraphy, it is not signed.... $250