Barnett
Third quarter of the 19th Century
Round, sighted, smoothbore barrel with proof mark, 19 mm cal.; the lock is outlined at the borders and signed "BARNETT" with the monogram "P II" (as in Emperor Peter II) underneath a crown; wooden full stock stamped "GN 29" at the stock with brass mounts and iron ramrod.
Barnett was English supplier for the Portuguese and the Brazilian navy.