Title: Chōkin, Unno Kiyoshi, Naitō Shirō, Kashima Ikkoku, Masuda Mitsuo
Subjects: Art metal-work
Places: Japan
People: Kiyoshi Unno (1884-1956), Shirō Naitō (1907-1988), Ikkoku Kashima (1898-1996), Mitsuo Masuda (1909-2009)