Japanese Iron Tsuba with Copper Key-fret Inlay

This Japanese tsuba, dating to the Edo to early Meiji period (circa 19th century), is a refined example of a traditional sword guard. Crafted from a circular iron plate, the guard served the dual purpose of protecting the wielder's hand from sliding onto the blade and balancing the weight of the sword.

The piece is distinguished by its intricate copper inlay, which features a continuous, geometric interlocking key-fret motif that provides a striking aesthetic contrast against the darkened iron ground. The tsuba is pierced with a central nakago-ana (tang opening) and a secondary kozuka-ana, both of which demonstrate signs of pitting and historical wear. Measuring approximately 6.4 cm by 5.8 cm, the object displays a dark patina and characteristic abrasions consistent with its age and use as a functional samurai accessory.

This item reflects the historical Japanese tradition of treating sword fittings as a significant medium for artistic expression and skilled metalwork, combining practical defense with elaborate, symbolic, and decorative craftsmanship typical of the period.