Rai Kunitoshi, who worked in Kyōto, was among the most famous swordsmiths of the late thirteenth to early fourteenth century. This dagger, one of his masterpieces, exemplifies his best-known blade-making style.
Signature: Signed: RAI KUNITOSHI.
Elizabeth Kuriyama, Yokosuka, Japan (until 1946; her gift to Robert Izard); Mr. and Mrs. Robert Andrews Izard, Rye, New York (1946–1991; their gift to MMA).
New York. The Metropolitan Museum of Art. "Arms and Armor: Notable Acquisitions 1991–2002," September 4, 2002–January 18, 2004, no. 51.
Yamanaka, Albert. "Rai School Genealogy Chart." Bushido. (1981), p. 38.
Yamanaka, Albert. "Results of the Vol. 2 No. 4 Mystery Blade Contest." Bushido. (1981), pp. 36–37.
Yamanaka, Albert. "The Rai School Swordsmiths of Yamashiro Province." Bushido. (1981), pp. 39–48.
Ogawa, Morihiro. "Recent Acquisitions, A Selection: 1991–1992." The Metropolitan Museum of Art Bulletin (Autumn 1992), p. 89, ill.
Pyhrr, Stuart W., Donald J. La Rocca, and Morihiro Ogawa. Arms and Armor: Notable Acquisitions, 1991–2002. New York: The Metropolitan Museum of Art, 2002. p. 54, no. 51, ill.