Golden Waves in the Night Tide Tsuba 金浪夜濤 LY It is differentially hardened using

It is differentially hardened using traditional clay tempering（覆土焼入れ）

Saya Lacquer (鞘塗): The saya is finished in Shuro Raden lacquer（棕櫚螺鈿塗）

The piece is crafted from shakudō (a refined copper–gold alloy) and finished with a black patina (ni-kuro shiage)

ensuring structural strength and organic beauty

Temper Line (Hamon 刃文): Curved Notare (湾れ刃文) — a gently undulating wave-like temper line formed through clay tempering (覆土焼入れ)

Golden Waves in the Night Tide Tsuba 金浪夜濤 LY It is differentially hardened usingTsuba (Sword Guard) Golden Waves in the Night TideIron Katakiribori Kebori Tsuba with Black Finish This tsuba is crafted from iron and finished with a traditional Yaki sabi (blackened) treatment, giving the surface a deep, refined hue. Its face is fully carved with surging waves, the main contours executed in Katakiriborisingle sided chisel cuts that create bold, light catching lineswhile the finer details of the crests and swirling currents are