A .450 revolver by London Armoury Co.
No serial number visible
The frame converted from a percussion revolver, the heptagonal barrel with blade-foresight, the cylinder-strap engraved London Armoury Co, James Kerr & Co's Successors, 36 King William St, border-engraved frame, the right side mounted with an ejector-rod and fitted with a loading-gate (hammer thumb-spur removed), the butt with two-piece chequered wooden grips and lanyard-ring
6in. barrel, Birmingham Black Powder proof