Original British Iron Barrel Flintlock Blunderbuss by H.W. Mortimer Fusee Spring & Cover The bullet in these cartridges

The bullet in these cartridges is uncolored

the design of the stock was again modified for the Model 1777

Czech manufactured ZB-37 non-firing BATF approved display machine gun used and marked by the Germans during WWII

Meaning Sebastian Jobst

The helmet is maker marked on the interior:

Original British Iron Barrel Flintlock Blunderbuss by H.W. Mortimer Fusee Spring & Cover The bullet in these cartridgesOriginal Item: Only One Available. H. W. MORTIMER, LONDON. GUNMAKER TO HIS MAJESTY is what is printed in gold along the top of this really substantial iron Blunderbuss barrel measuring 21. 5 inches in length and 1 5 8" across the muzzle. The barrel thickness is so substantial that the muzzle measures 2 1 8" across including the barrel walls! The barrel bears British Proof marks and has a silver foresight applied like an ink blot in a four armed star