I just added another:
Holland and Holland 10 Bore Double Rifle 3 1/4" case 26" barrels Holland's books show it was completed and sold 25August1882
Jones underlever, hammers, Damascus barrels 9 groove rifling & ~85" twist weight 14lbs 8oz 8 Dram round ball rifle

Will have a couple of pictures up in a few days.
Have brass and a proper ball mould so can get it shooting soon.
- Mike