Yasuki Steel ・the steel used for the cutting layer
二ユーずぼら ・Nyu Zubora ・Zubora is the maker, Newer Kamisoris added the Nyu before the brand name
special steelReading
最高級別鋼打 ・ saikōkyū betsukō-uchi ・ highest grade, forged with special steel
特級 ・ tokkyū ・ special grade
登録商標 ・ tōroku shōhyō ・ registered trademark
ずぼら ・ Zubora ・ manufacturer brand
TamahaganeReading
玉鋼別打・Tamahagane Betsu uchi・ made of Tamahagane
実雄作・ jitsuo saku・literally artwork by true master/hero
特級・tokkyu・special grade
登録商標 ・toroku shohyo・Registered Trademark
ずぼら・Zubora・the maker brand
Yasuki SteelReading
Yasuki Steel ・Steel made from Iron Sand but modern production methods
ずぼら・Zubora, Manufacturer of the Brand
the red label on the handle reads:
実用新案 ・Jitsuyō Shin'an ・utility model (patent)
二一六六四 ・21664 ・patent/registration number
特許出願 ・Tokkyo Shutsugan ・patent pending
