Previous answer is
Shirakawa Omi Tegarayama Masashige/Kansei 9 Hinotomi Nen 2 Gatsu Oite Buyo Syunzan Saku Kore
Special feature: Tegarayama Masashige was a son of the Tegarayama Ujishige who was born at Horeki 10th, and moved to Oosaka and then Edo and lived Kanda area.
He studied under the Suishinshi masahide about Doranba hamon.
He also worked for Matudaira Sadanobu in Ousyu Shirakawa.
At that time, Masahide was well known sword makers of the Doranba hamon
and many students studied by Kato tsunahide, Cyounsai Tsunatoshi, Ozaki suketaka
and Akama Tsunanobu but Masahide changed to make Doranba hamon to old Koto blade
which is kogunome and kocyoji midair hamon because of making strong swords.
But Tegarayama Masashige was influenced a lot from Tsuda Sukehiro
and continued to make Doranba or Oo gunome midair swords.
After that he succeeded his peculiar work wild feeling swords.
Appraisal Quiz #492 (June 16th, 2018)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 66.9 cm or 26.33 inches.
Sori : 0.9 cm or 0.35 inches.
Mekugi : 2
Width at the hamachi : 2.87 cm or 1.12 inches.
Width at the Kissaki : 2.335 cm or 0.919 inches.
Kasane : 0.56 cm or 0.22 inches.
Shape : Osuriage Mumei regular size Katana.
Jigane : Itame Hada well grained with Jinie attach.
The blackish Jigane with fine Chikei.
Hamon : Nie Deki, Suguha and Notare-ba.
The Nioikuchi is soft. Boshi is round shape.
Answer will be posted at next Appraisal Quiz.
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)