Title: Nihontō, Takahashi Sadatsugu, Gassan Sadaichi, Sumitani Masamine, Amata Akitsugu, Higo zōgan, sukashi, Yonemitsu Mitsumasa
Subjects: Swordsmiths, Biography, Sword guards
Places: Japan, Kumamoto-ken
People: Sadatsugu Takahashi (1902-1968)