This is a kendo do (body protector). It's a 43-piece bamboo do. The maximum opening is approximately 40cm. The unused black copper has been repainted by a lacquer craftsman using only domestic Japanese lacquer. It's a dark reddish-brown color, a color you don't often see. It has a gloss, but the surface has a rough texture like kanshitsu (dry lacquer). In my opinion, it seems to match well with a navy blue chest (mune) made of navy-dyed fabric. Although it is unused, it has been in someone's possession once. Please refrain from bidding if you are looking for a perfect item. Please bid only if you will cherish it.