Inscription: Inscribed on the tang of the blade: 越中守政俊 (Etchū no Kami Masatoshi) (Masatoshi, the Governor of Etchū Province).
George Cameron Stone, New York (until d. November 18, 1935; his bequest to MMA).
Jacksonville. Jacksonville Art Museum. "Samurai Screens and Armor," December 1, 1983–January 29, 1984 (no catalogue).