A KOTŌ KATANA IN UNUSUAL MOUNTS WITH GOTŌ-SCHOOL FITTINGS Muromachi period (1333-1573), 16th century Honzukuri, iorimune, chū-gissaki, toriizori forged in itame hada with gunome tempered edge, both sides chiseled with bōhi, the ō-suriage tang with two holes (one cut) and later file marks, with a one-piece gilt-copper habaki; the 19th-century koshira-e comprising a faceted saya, each facet decorated in different lacquer techniques including gold nashiji embellished with pine needles in silver hir