A Mino katana Muromachi period (1333-1573), early 16th century The slender blade forged in honzukuri, iorimune configuration with a chu-gissaki point, and a koshizori curvature in the style of a ko-dachi, the ko-itame hada with hints of mokume hada above the shinogi ridge, the tempered edge a narrow suguha ending in a ko-maru boshi with nie and some areas of utsuri, the omote side carved with futatsu-bi and the ura side carved with koshi-hi, the ubu tang with three holes and sujikai file marks, signed Noshu Seki no ju Kanesada saku, with a one-piece gold-foil habaki, 25in (63.5cm) long; in a wood shirasaya storage scabbard