Sugata (configuration): shinogi-zukuri (longitudinal ridge line), with a deep tori-zori (even curve); medium kissaki (point); kitae (forging pattern): faint itame; hamon (tempering pattern): shallow peaks of gunome with notare (undulating) in nie (visible grain); gilded copper habaki (collar); nagasa (length): 49.0 cm; Nakago (tang): ubu (unshortened), mumei (unsigned), one mekugi-ana (peg-fixing hole). Koshirae (mounting): plain black lacquered saya (scabbard) with side pocket for a kogatana (utility knife), kogatana with relief decoration of a relief pheasant on the kozuka (handle). Copper alloy fuchi-kashira (hilt collar and pommel) with areas of gilding; fuchi with moon, bamboo and stylised geese, kashira with autumnal flowers, Wooden tsuka (handle) with black silk itō (braiding) wrapped over samegawa (rayskin) and gilded shakudō menuki (copper alloy hilt grips). The iron tsuba (hand guard) with a russet surface patination and inlaid gold decoration of geometric shapes, perhaps stylised Genji Mon