Bronze cannon on a pivot or standard

Elongated cannon, the rear part broken off. With dolphins in the form of dragons, resting on a mount, which tapers to a round point. Two lugs around which the mount is wrapped. The muzzle widens into an octagonal head, upon which the sight. On the barrel, from the breaks/bands, relief decoration (chevrons?) triangles with arabesques. The chamber or lower barrel is octagonal. Captured on Lombok.