16g hammer gun by Charles Osbourne. 28" Steel barrels. 14 1/8" Straight Hand Stock. 2 1/2" chambers. This is a plane little gun, completely original, I'm just about to overhaul it, engine turned top rib to barrels, back action locks with top lever opening and nicely balanced.
Light pitting in both tubes
 
Right Proof
Right Reading
Right Wall
Left Proof
Left Reading
Left Wall
Right Choke
Left Choke
Weight
  
655
659
32
655
657
32
TC
1/2
6lbs 4oz