YOKOYAMA SUKESADA LINEAGE A Bizen Katana in Unusual Mounts Momoyama (1573-1615) or Edo (1615-1868) period, 17th century Of honzukuri, iorimune, chū-gissaki configuration with a shallow toriizori curvature forged in ko-itame hada and chōji and gunome midare tempered edge ending in a midare komi bōshi, the ubu tang with two holes (overlapping and partially plugged), katte sagari file marks and signed Bishū Osafune no jūnin Yokoyama Kozuke Daijō Fujiwara Sukesada, with a one-piece gilt habaki; the 19th-century koshira-e comprising a wood saya with bold ribs in reddish-brown and dark wood, highlighted with gold flecks and mounted with shakudō and gold kojiri, kurikata, and koiguchi chiseled in high relief with hares in waves, the tsuka with same inset into a shakudō and gilt frame and mounted with shakudō migakiji fuchi-gashira with dragons in gold flush inlays, and gilt menuki formed as dragons, the lobed shinchū tsuba chiseled with a dragon in clouds, inscribed Gotō Mitsutaka and kaō Nagasa (length from tip of blade to beginning of the tang) 65.4cm (25 3/4in) long. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing