A KOTŌ KATANA IN TACHI MOUNTS Muromachi period (1333-1573), 14th/15th century Honzukuri, iorimune, chū-gissaki, koshizori forged in ko-itame hada and a suguha tempered edge, the ō-suriage tang with two holes and later file marks, with a one-piece silver and copper habaki chiseled with scrolling vines; the efu dachi koshira-e mounted with silver fittings decorated with chrysanthemum blossoms highlighted in gold, the saya decorated with chrysanthemums in two shades of gold hiramaki-e against a gro