Kogatana: in Shirasaya
Mei (signature) : Morihira
Shirasaya Length: 23.2 cm or 9.13 inches
Blade Length : 9.36 cm or 3.68 inches x 1.09 cm or 0.42 inches
Jidai(era) : Edo period.
Special feature: Double and triple Notare Hamon.
The Kogatana has wooden Habaki.
Sayagaki said that Morihira(Kaga) the grandson of Takahira, around the Genroku era. The writer is unknown.
The blade is polished. Hamon is very interesting.
AOI estimation paper