Wonderful Antique Bronze Lantaka ship or deck cannon from Borneo/Brunei with crocodile

A superb early Bronze Lantaka deck cannon or swivel gun from Northen Borneo /Brunei. These ornate bronze canons were typically used along the gunwales and decks of ships, most notoriously those used by the Malay pirates who were active in the South China Seas around Borneo and the Philippines. This examples is small, cast from heavy bronze and ornate with a cast crocodile mounted to the front, and also most interestingly has an exploded breech section showing a failure during active firing!! 19th century or earlier