Previous answer is
Oumi Daijo Fujiwara Tadahiro(2nd generation)
近江大掾藤原忠広（二代）
Special feature: Hizen Kuni Junin Minamoto Muneyasu is the previous signature of Iyonojo Munetsugu 2nd. It has extremeness of Soshuden so it apparently looks like old works.
==============================================
Appraisal Quiz #738 (April 15th, 2023)
Who made this sword do you think ?
==============================================
Blade length:51.7cm or 20.35inches.
Sori:1.3cm or 0.51inches.
Mekugi:1
Width at the hamachi:3.3cm or 1.29inches.
Width at the Kissaki:2.36cm or 0.92inches.
Kasane:0.77cm or 0.30inches.
The weight of the sword:665grams
Shape: The blade is broad and thick with adequate Sori and longer Kissaki. The blade is
powerful and has great thickness.
Jigane: Koitamehada is grained really well to be elaborate Jigane.
Hamon: Suguha from Hamachi and after that Niedeki Gunomemidare. Bright Hamon. Boshi turns back around.
================================================
Answer will be posted at next Appraisal Quiz.
================================================
(Please acknowledge not replying to mail about Appraisal Quiz by our convenience.)