Belt gun
Unique Unmarked 18th-Century Flintlock Belt Gun, c. 1775
The 3½-inch turn-off barrel in two stages, breech portion octagonal, hinged to a half-circular brass box, hinged lid opens to expose boxlock flintlock mechanism, unit designed to be worn on belt at front, barrel hangs vertically downward and is flipped up into horizontal position when ready to use, mechanism is fired by side-mounted button lever, button lever on opposite side cocks piece, two brass belt-loops.
Manufactured in last quarter 18th-century.
Another but with percussion