A BIZEN KATANA IN MOUNTS Muromachi period (1333-1573), 16th century Honzukuri, iorimune, chū-gissaki, toriizori forged in itame hada with a notare and gunome tempered edge, the machiokuri tang with two holes (one overlapping) and indistinct file marks, illegibly signed Bishū Osafune no jū [][] and with an illegible date, with a one-piece gilt habaki; the 19th-century koshira-e comprising a lacquer saya decorated with variegated dots of silver and gold lacquer, mounted with a silver and gilt koji