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I purchased this photo at a Flea Market in North Little Rock, Arkansas. It was taken at Pittman Studio in Springfield, Illinois. It has a date of 1887 on it. On the back is written "August Ludwig Heerboth".
I have located a Ludwig August Heerboth of Wheaton, Illinois but he would have only been 27 years old at the time and this man is obviously much older. Perhaps this is his father.