Katana Golden Mist Maru Blade Kinkasumi Koshirae 當康 YX The saya (scabbard) is finished

The saya (scabbard) is finished in raden-style black lacquer (螺鈿塗)

shaped as samurai figures（武士造形）

Forging Pattern (Hada 鍛肌): Ayasugi-hada（綾杉肌）— cedar-grain pattern with alternating waves

Menuki (目貫): Blackened white-copper wave-themed menuki（海浪図）

Katana Golden Mist Maru Blade Kinkasumi Koshirae 當康 YX The saya (scabbard) is finishedClay Tempered Full Tang Shinken () Golden Mist Katana: TangGu () Maru Blade () + TangGu () Hantachi Kinkasumi Koshirae () The sword is mounted in a Hantachi style koshirae (). The blade is hand forged in Maru zukuri () style from proprietary high carbon steel for structural consistency and edge retention. It has no visible hada (). A straight Suguha hamonis formed through clay tempering (). The saya () features raden style lacquer ()a glossy black