Inscription: Inscribed under the chin: Shōtoku san, midzunoto-mi, sai / ni-gwatsu kisshin / Miōchin Ki Muneaki / giōnen sanjuichi (no) koyomi (or reki?) / Bukō, Kanda, ni oite kore wo tsukuru (Miōhcin Ki Muneaki, 31 years old [by the calendar?], made this in [the district of] Kanda, in Bukō [in Yedo in Musashi province; modern day Tokyo], on an auspicious day in February, 1713, Year of the Snake [and the thirtieth year of the 60-year cycle].
Grancsay, Stephen V. "The Japanese Armor Gallery in the Metropolitan Museum of Art." The Connoisseur 148 (September 1961). p. 16, ill.
Boger, Batterson H. The Traditional Arts of Japan: A Complete Illustrated Guide. Garden City, N.Y.: Doubleday, 1964. p. 111, ill.