Old polish/Condition scale: very good - good (using a scale of mint-excellent-verygood-good-fair-poor)
Due to old polish status, there are some insignificant tip-off along upper Fukura area and slight scratches on Hiraji-surface. Next chance of skilled polish will blow those wares away entirely.
Suzuki Takuo/Sugiura Yoshiyuki, Muromachi-ki Mino-toko-no Kenkyu, Ribun Shuppan, 2006
Tokuno Kazuo, Mino-toko Taikan, Otsuka Kogeisha, 1976
Honma Kunzan/Ishii Masakuni, Nihonto meikan, Yuzankaku 1976