拍品专文
The nengo is almost certainly Tenpo (1830-1843)
细节
A KATANA, the blade honzukuri, iorimune, with chugissaki, itame hada, sugu-komidare hamon, o-maru boshi, ubu nakago signed Bungo Kuni Nagahide, Ten...hachi gatsu, 70.6cm., 19th century, in a ribbed black lacquer saya with associated copper handachi mounts, copper dragon menuki, mokkogata iron tsuba with dragons in nunomezogan with signature Matsuyama Kunishige saku