Japanese Razor Inoue Tōsuke Hyōtan Mark Iyo Tō (Natural Whetstone) Tono-ko (Masahonyama) Banshu Inoue Tōsuke Likely quite old. I think it's more antique than vintage. Sharp and easy to sharpen. Easy to handle, recommended. Honed with natural whetstone and cordovan leather strop to the point where it can cut hair by pinching it. Ready to use. Super finishing and adjustments are up to you. Disinfected with 75% alcohol. Tono-ko (Whetstone Powder): Powder from natural whetstones only. When sharpening, mix an appropriate amount with water and apply to the whetstone for faster and better results. Natural Whetstone: Iyo Tō Use with Tomo-nagura (whetstone dressing stone). X https://x.com/Nihon_kamisori Refer to the master's sharpening: https://www.youtube.com/watch?v=6Dp6QJTmnvs&t=54s Thank you. #TAMAHAGANE #KANAYAMA #Kamisori #ShavingRazor #razor