Japanese Razor YamaSho Registered Trademark Chobomasa Top Grade Togi-ko (Polishing Powder) Vintage Natural Whetstone Koppa (Small Piece) Japanese Razor Chobomasa Top Grade YamaSho Registered Trademark A barber's staple. A brand from YamaSho in Osaka. The mark is ' , , ' So, it seems to have been called Chobomasa. The handle is also the standard thread wrap of the time. It has been sharpened with a natural whetstone and a cordovan leather strop to the point where it can cut hair by pinching it. You can use it as is. Please feel free to do super finishing and adjustments to your liking. Disinfected with 75% alcohol. Koppa (Small Piece) Masamoto-yama Thin Hard Togi-no-ko (Polishing Powder) (Masamoto-yama) is powder from natural whetstones only. When sharpening, mix an appropriate amount with water on the whetstone and sharpen, and you will get a good blade quickly. Please refer to the master's sharpening https://www.youtube.com/watch?v=6Dp6QJTmnvs&t=54s Thank you. X https://x.com/Nihon_kamisori #TAMAHAGANE #KANAYAMA #Razor #Kamisori #Iwasaki