This blunderbuss from c. 1813-1825 has an approximately 8 bore barrel that flares to 1 1/2 inches at the muzzle. The barrel is fitted with a folding bayonet and is marked with "MANCHESTER" on top and Birmingham proofs. The lock is marked "WM SHAW" and has light floral engraving, a stepped tail, sliding safety, and frizzen spring roller. The furniture is brass with floral engraving, including a pineapple finial on the trigger guard.