Kunitsuna (国綱), Kenchō (建長, 1249-1256), Yamashiro – „Kunitsuna“ (国綱), Awataguchi school, first name „Tōroku“ (藤六), sixth son of Awataguchi Kuniie (国家), honorary title „Sakon Shōgen“ (左近将監), he was active from about Kenpō (建保, 1213-1219) to Kōchō (弘長, 1261-1264). Kinai (畿内), saijō-saku.
Jūyō Token Awataguchi Kunitsuna: nagasa: 68.6 сm; sori: 2.1 cm; motohaba: 2.4 сm; sakihaba: 1.5 cm; motokasane: 0.5 cm; nakago nagasa: 19.4 cm; slightly suriage, mei “Kuni Tsuna,” the characters of signature looks a rather smallish; the "kuni" kanji is differ as it lacks some strokes; a family heirloom of Sedai Date Ke (仙台伊達家), was given by the kugyō (公卿) Konoe Motohiro to the Date Tsunamura, who was the 4th daimyō of the Date clan.
Designated as Jūyō Tōken at the 46th jūyō-shinsa held on the 5th of October, 2000.
Publications: NBTHK Jūyō Tōken Nado Zufu, Volume 46; Date Ke family heirloom catalogue: Kensō Hiroku (劔槍秘録), 1980, No. 37, p. 41; Dai Token Ichi catalog 2015, p. 129.
Figure 1. Date Ke family heirloom catalogue: Kensō Hiroku.
On 25th of August, 1680, Konoe Motohiro presented this sword to Date Tsunamura. This gift followed by a peony crest of the Konoe clan.
Konoe Motohiro (近衛基熈, 1648-1722).
This tachi became a family heirloom of the Sendai Date clan since that times. Tachi is a commemorative sword from Konoe family and the sword's koshirae seems to have been produced when visiting ritual at the Date family.
Date Tsunamura (伊達綱村, 1659–1719).
Later, the Kunitsuna tachi was aded to the collection of Watanabe Seiichirō (渡辺誠一郎氏) who is known as the best swordsman in Japan.