Prince & Green.
Cal 500 percussion.
Markings “Prince & Green. 138. New Bond St London” at the top of the carcass and P.18990. Patent N°34739.R.” on the right side.
Octagonal barrel of 17 cm. Sliding safety blocking the rotation of the cylinder on the left side of the carcass. Barrel with 5 shots. Cast solid stick in drowning squared. Metal cap without ring.