Sen Japanese Draw Knife by Tokyo Yamamasa - 305mm

Smith name: Unknown

Steel: Carbon Steel

Blade length: 350mm

Total length: 580mm 

Blade Width:  about 63mm (The widest part of the blade)

Manufacture Era: around 1960s (Inference based on available information)

Weight: 990g

Accessories: -

Additional Information: Used. This tool is mainly used to cut the outside of wooden barrels in Japan.

I currently have very little information on the Tokyo Yamamasa brand. From the information I have, it seems to be a Tokyo wholesaler that provides high-quality tools. Mr. Yuzawa(Brother of the second generation Masayoshi), a famous plane blacksmith in Tokyo, has provided blades for this brand.