AN UNUSUAL EFU-NO-DACHI WITH KABUTO-GANE SHAPED AS A BAKU HEAD, the blade honzukuri and shallow torii-zori, ihorimune and chugissaki with itame hada, ko-midare hamon, midare komi boshi, and suriage nakago with five mekugi-ana, a kirikomi on the mune just below the yokote, unsigned, probably 17th Century, 27½in.; with nashiji saya and shinchu tachi mounts engraved and pierced with a shippo design, the shitogi tsuba en suite