T24715(S6009) Katana unsigned attributed to a work of KOMIHARA transmitted by Tokugawa Yoshiyori Incidentals : Storage box Incense Peony Botan flowers Gold Brocade wrap scabbard Hyogo Kusari style Tachi Koshirae	NBTHK(53th JUYO TOKEN) Oshigata NBTHK(Tokubetsu Hozon Tosogu)
Koto Nanbokucho period (about 650 years ago) Bingo Length of cutting edge70.8cm Curvature2.0cm Width of base32.1mm Width of Yokote23.1mm Thickness of base6.5mm
Blade construction (kengyo) : Shinogi-zuruki, Iori-mune. Even it's Suriage shortened status, there is rather deep curve standing firmly in wide base with large Hiraji and there is less difference in Mihaba between base and tip. The entire shape is wide and heroically made. (click HERE for high resolution of the blade photograph) Forging pattern (kitae hada) : Kitae hada is fine and delicate Itame hada mixing in with partial small Mokume and flowing Masame hada marks. The entire hiraji is covered in with fine ji-nie (hard metal granules over the surface of the blade) and shows whitish utsuri reflection. Tempering pattern (hamon) : Hamon is fine ko-nie base, Suguha, small gunome, delicate ASHI frequently works in the interior and YOU dots floating. Habuchi temper edge shows solidly tight indication, where delicate Sunagashi blushing and Uchinoke activity works. Temper of tip (boshi) : Boshi is straight along Fukura curve with small circle turn back a bit deep gently. Tang (Nakago) : Nakago is O-suriage cut, unsigned. Ha-agari round heel shape. One Mekugi-ana peg hole. Upper file marks is Katte-sagari slanting left-word slightly and lower becomes Sujikai slanting left. Mihara in Bingo province, where had produced fine steel since Kamakura period, was strongly influenced by the powerful shrines in central Yamato therefore Mihara swordsmithes had followed the typical Yamato school technique. This heroic katana, although it is Suriage shortened, is still wide and stands firmly on base, the upper tip of grooves ends a bit lower, shows the major character of Nanbokucho 14th century. The subject Katana shows an profound features such as Hotsure fray, YOU dots, Sunagashi blushing indication of Yamato, against Utsuri reflections standing out in Hiraji surface. This prominent Tachi has been treasured by powerful legitimate Samurais in generations and still remains an excellent condition over the 650 years. Incense Peony Botan flowers Gold Brocade wrap scabbard Hyogo Kusari style Tachi Koshirae(Tokubetsu Hozon Tosougu):comprising Kikyo (bellflower) crest silver metal ornament polish surface Sukisage carving in complete Flower Menuki in silver (also served as a Mekugi) Upside-down egg shape Tsuba / Bracken-flower openwork shape Tachi seppas in silver Hilt incense color Peony gold brocade wrap, silver Kikyo bellflowers Tawara-byou ornament Silver habaki collar Shira-saya plain wood mounting. Incidental Katana box transmitted from Tokugawa Yoshiyori written in gold as [Grant to the lord Yoshiyori at the wedding ceremony, in the 11th day, 12th month, bird, the 2nd year of Kaei (1849)] All these composition is true and authentically original in an excellent condition.