That is Two Iron Damas Crolle', English Two Stripe, or 'Oxford.' A similar pattern William Powell & Son 12b Bar-in-Wood hammergun sold in 1870



I would expect Three Iron or Laminated Steel on a gun of that quality in that era. More information here http://www.picturetrail.com/sfx/album/view/18059733 and
http://www.picturetrail.com/sfx/album/view/20258609

Last edited by Drew Hause; 08/07/09 02:42 PM.