I have a JJ Henry .52 cal. Straight rifled definitely a Buck and ball gun. It sold at a farm auction for a dollar or so, the buyer dug the silver out of it and threw the gun away. My dad, the scrounge, picked it up and brought it home. The original stock was walnut, he restocked it with curly maple, cast a buttplate and made a hammer. the lock, barrel, ramrod pipes, and patchbox and trigger guard are original are original. If you have any doubt that yours is a true Henry, remove the patchbox inlay and look at the underside of inlay in front of the hinge. On mine it says J J Henry