This c. early 1800s British blunderbuss is signed "Thomas" on the lock and has Ordnance private proofs on top of the barrel at the breech. Various makers made/sold blunderbusses of this pattern based on others with various markings. The muzzle flares to approximately 1 3/8 inches at the muzzle, and the barrel has a sprung bayonet mounted underneath that is secured via a catch in the forend cap and released using the trigger ahead of the trigger guard bow. The barrel also has a left side mounted ramrod and some light engraved borders. The lock has a stepped tail, light engraving, sliding safety catch, a semi-rainproof pan, frizzen roller, and frizzen spring with light hump for the roller. The brass furniture has some light engraving. The stock has a finely checkered wrist with incised molding.