Description: dating: machi Period (1392-1573) provenance: Japan, Nagasa shinogi-zukuri with single bo-hi, chu-kissaki, length 66 cm, hamon: Suguha with yaki-kuzure and ashi; hada: Mokume with o-hada; copper habaki; nakago-mei, suriage, kurijiri with four mekugi-ana. Koshirae with iron tsuba, pierced with a hanabishi mon, the border covered with silver fukurin; fuchi-kashira-mei 'Umetada' with dragons in shakudo on a gilded and silvered ground (Shoami school style); copper, gilded menuki, portraying dragons, black, silk tsuka on same. Sabiji neri saya. Blade from the end of 14th - beginning of 15th century. length 92.5 cm.