Japanese instead of fish caught old musket

An unusual catch caught the Japanese on the reservoir in Fukuoka, Japan. A rusty piece of metal pipe turned out to be a barrel from an ancient weapon and there is a coat of arms in the shape of a plum flower with five large petals and a small circle in the middle. There is an engraved inscription on the trunk, possibly the name of the gunsmith.

In appearance, it looks like a barrel from a wicker musket, which were common in Japan from the 16th to the 19th century. The lucky fisherman intends to turn to antique dealers to assess his catch.