It's referring to Charles B. Hull from Detroit, who at one time was the treasurer and general manager of the "American Eagle Tobacco Company". There's a small biography if you scroll down to page 54 on this link.
http://books.google.com/books?id=Fkh...etroit&f=false
Anyways, I also found this. So it was cut from a trade card like Frank suggested. This isn't the same player pose, but it fits the layout perfectly.
http://www.oldjudge.com/archive/2006...th_century/17/