Shotgun, duck gun, double barrelled, using percussion lock, 12 bore, Belgian charge, sliding barrel system, finished and retailed by Joseph Lang, London, or perhaps Belgium? 1860

Shotgun, duck gun, double barrelled, using percussion lock, 12 bore, Belgian charge, sliding barrel system, finished and retailed by Joseph Lang, London, or perhaps Belgium? 1860
Shotgun, duck gun, double barrelled, using percussion lock, 12 bore, Belgian charge, sliding barrel system, finished and retailed by Joseph Lang, London, or perhaps Belgium? 1860