Blue Blade Katana - 蒼結晶Handcrafted blue blade katana in 1060 carbon steel with a teal finish and an internal crystalline pattern angular geometric fragments visible beneath the surface, as if the steel froze mid shatter. Full tang, sharpened. Iron tsuba with cloud wave relief, brass habaki with serrated edge, navy cotton ito over white synthetic rayskin, navy textured saya with bead accent, navy sageo. Includes horn style bronze display stand on dark wood base. The blade