Previous answer is
　Kasama Ikkansai Shigetsugu saku
笠間一貫斎繁継作
Showa 10 Nen 8 Gatsu Hi
昭和十年八月日

Special feature: This work was made by Kasama Ikkansai Shigetsugu in the house of Toyama Mitsuru. The blade is broad and thick, a trace of Kanemitsu made with great efforts. Ikkansai Shigetsugu’s real name is Kasama Yoshikazu. His uncle is Miyairi Ikkansai Shigetoshi. Later he became a pupil of Morioka Masayoshi. He was bon in Meiji 19(1886) in Shizuoka prefecture. He moved to Tokyo in Meiji 36(1903) and made swords in Token Lab in Tokiwamatsu, the house of Toyama Mitsuru. Later he became the chief swordsmith there. He was also elected as the swordsmith for Ministry of the Imperial Household, a vice president of the east block of Japan Swordsmiths Association, a master of Swordsmith school in Akasaka, Tokyo, and as the top rank of Teiten(Imperial Academy Exhibition). He presented many swords to emperor. He passed away at the age of 80 in 1966. He contibuted to the revival of skills and techniques of sword making. He is also known as the master of Tsukamoto Okimasa, who was married to his sister, and Miyairi Akihira, later Living National Treasure. He is one of the best modern swordsmiths.

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Appraisal Quiz #732 (March 4th, 2023)
Who made this sword do you think ?
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Blade length :79.6 cm or 31.34 inches.
Sori :3.2cm or 1.26 inches.
Mekugi 1:
Width at the hamachi : 3.2 cm or 1.26 inches.
Width at the Kissaki : 2.34 cm or 0.921 inches.
Kasane : 0.7cm or 0.276 inches.
The weight of the sword 1010 grams.
Shape : The blade is very wide and thick with long sword with deep sori marvelous very healthy wonderful gorgeous sword.
Jigane :Koitame had well grained with jinie attach beautiful nice texture.
Hamon :Niedeki cyoji midair hamon
from the hamachi to Kissaki area. Choji midare hamon.

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