Shigefusa Deba Kasumi 130mm Swedish Pure Carbon Steel Blade w/ water buffalo ferrule and Japanese Magnolia
It looks it has never been used.
Mr. Tokifusa Iizuka (founder) who makes Shigefusa knife, and he had been an apprentice in Sanjo Seisakujo, Iwasaki Razor Co. (Mr.Kousuke Iwasaki and Mr. Shigeyoshi Iwasaki own) to learn how to make razor for 10 years, and then Mr.Iizuka wanted to be Japanese cooking knife blacksmith, so Mr. Shigeyoshi Iwasaki introduced Mr. Iizuka to Mr.Munenori Nagashima who makes Japanese sword and Kasumi knife, chisel, plane, and much more cutlery. He was very skillful blacksmith.
Mr. Iizuka became an apprentice again to learn how to make knives from Mr. Nagashima before starting own business Shigefusa. He thought how to make Kitaeji blade to Mr. Iizuka too.
Mr. Iizuka has two sons and they make Shigefusa Knives with their father for decades.
Kasumi style blade is made of soft iron and steel putting together.
The steel (Hagane) is Swedish pure carbon steel.
Blade Length from the tip to the heel; 5inch (128mm)
Handle Length; 4 3/4 inch (120mm)
Total Length; 10 3/8 inch (310mm)
Knife weight is 7.2oz.
The heel part of the spine width is 6mm (5/8 inch) wide.
HANDLE; Magnolia with Water Buffalo horn bolster