Katana attributed to Hidezane, a smith of the Ko-Bizen school who, according to the reference works cited by the original seller, was active around the Kenchō era (1249–1256). The blade is shinogi-zukuri with a high shinogi, a low iori-mune and a small kissaki; it measures 71.1 cm in nagasa with 1.6 cm of sori. According to the original seller, the jigane is ko-itame mixed with itame, partly nagare, with jifu-utsuri, thick ji-nie and chikei; the hamon combines ko-chōji, ko-midare, ko-gunome and notare, with hotsure, nijūba, ko-ashi, yō, kinsuji and sunagashi, and the bōshi runs almost straight with a small rounded kaeri. The tang is ō-suriage, with a kirijiri tip, kiri yasurime and three mekugi-ana; it preserves the original signature inlaid as a gakumei, 秀真 (Hidezane), which the photographs show in its panel. It has a double copper habaki with gold plating and an old polish. It is kept in shirasaya with a sayagaki by the expert Tanobe Michihiro, who places it in the Ko-Bizen tradition around Kenchō. It comes with NBTHK Tokubetsu Hozon Tōken paper no. 153770, issued in 2009, recording it as gakumei Hidezane, den Ko-Bizen.