Nihonto Club

Period: Kōan (1278-1288) (starts 1280)
Nagasa: 80.6cm
Sori: 2,2cm
Tsukurikomi: shinogi-zukuri
Mei: 吉正 (Yoshimasa)
Paper: Honami Kochu (1713)
Paper: Tokyo Bijutsu Club (東京美術倶楽部): 時代 正応頃 (age Shōō around (1288-1293)); [sign: 清水澄 (Kiyoshi Shimizu)]
Paper: Fukunaga Suiken: 時代 正応頃 (age Shōō around (1288-1293))

Awatagutshi Yoshimasa (Kamakura): Yamashiro
The tsuka is 28 cm long, and the handle wrapping is backed with gold leaf.