This blunderbuss has a brass barrel inscribed "CORN-HILL LONDON" on top, stamped with London on the upper left as well as "NEW SOUTH WALES", an engraved border at the breech end, and an 5 1/2 inch folding bayonet mounted on the bottom and released by a sliding trigger ahead of the trigger guard. The lock has "P BOND" inscribed at the center a stepped tail, a frizzen spring roller, and martial engraving. The furniture is brass and includes a pineapple finial on the trigger guard and classical martial trophies and floral engraving. The trigger guard is inscribed "PENAL COLONY 3." The stock has a checkered wrist. The bore is estimated and flares out to about 1 inch at the muzzle.