Previous answer is
Special feature : Senjyuin school is a sword smith group of Yamato and was successful during late Edo period.
They belonged to Yamato Koku Nara todaiji and has tought the making of katana to the Zohei or monk warrior.
Tegai, Taima, HOsho and Shikkake or the other group of yamato province also were active at Nara.
The Senjyuin school is said to be the most old school of the Big five sword smith.
Appraisal Quiz #319 (November 29th, 2014)
Who made this sword do you think ?
Hints. ※The picture will be enlarged
Blade length : 69.6 cm or 27.40 inches.
Sori : 1.7 cm or 0.6 inches.
Mekugi : 4
Width at the hamachi : 2.87 cm or 1.13 inches.
Width at the Kissaki : 1.67 cm or 0.65 inches.
Kasane : 0.68 cm or 0.26 inches.
Shape : The blade is slightly suriage Machiokuri nakago with signature.
Jitetsu :Koitame and mokume had mixed with a lot
of Jinie excellent marvelous texture and clear Utsuri appear.
Hamon : konie deck suguha with small ashi.
Boshi is round nidarekomi style.
1:Jigane is one of the top ranking sword maker.
2:Boshi is midarekomi style.
3:Generally he made few Tachi and made Tanto and Kowakizashi mainly.
4:Yasumitsu sometimes 2 signature on the Nakago.
Answer will be posted at next Appraisal Quiz.
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)