All brass construction except for the hammer, frizzen, barrel tang and spring. The lock is marked "BUNNEY", the top barrel flat at the breech end is marked "LONDON" and the left rear flat is marked with two crown over scepter proofmarks. Light floral scroll engraving on the breech end of the barrel, trigger guard, buttcap and on the left side plate. Sliding hammer safety, wooden ramrod with swelled head and mounted with a full walnut stock.