Manufactured circa 1790 -1800, brass mountings including a "S" shaped left side plate, swivel type iron ramrod with a large button tip and full one piece stock with a brass forend cap. Marked "TOWER" vertically at the rear of the lock plate, "crown" ahead of the hammer and crown over "GP" and "V" proofs on the left rear of the barrel. The left stock flat is stamped with a "P" and "7" over "BARNETT / LONDON".

The lock is marked "W KETLAND / & CO" in front of the hammer, the top of the barrel is spuriously marked "1790 LONDON" (London double stamped), and the left side plate is also spuriously marked "1790". The barrel, hammer, lock plate, frizzen, flash pan, trigger and spring are iron and the remaining parts are brass. Pin fastened one piece full walnut stock with a brass buttcap and oval thumb plate.