Manufactured c. 1760s-1770s. The multi-stage cannon barrel's bore is approximately 10 gauge and flares to 1.1 inches at the muzzle. It is marked "LONDON" on top and has London proof and view marks to the left at the breech, and the lock is marked "JOYNER" at the center. The mounts are brass. There is floral and border engraving throughout, and the trigger guard has an acorn finial. The stock has a checkered wrist.