Good evening Sir; Rob, On pages # 64 & # 66 in the book by Charles E. Hanson Jr. "THE HAWKEN RIFLE: ITS PLACE IN HISTORY". Copyright 1979 James A. Hanson. The FUR Press Chadron Nebraska 69337 you will find four pictures of J. Henry and a picture of a J.J. Henry rifles. These rifles were at "The Museum of the Fur Trade" at that time period. Go to internet and type in JJ Henry Rifles. and you will see an " outstanding" site. Larry Walker and Steve Hill Henry Rifle builders. I have no connection with this site or the people concerned. Have a great week. Jim Wilkison.