Prewar Nagura Set・Traditional Japanese Nagura for Razor Finishing Handcrafted Soap which is the backside of

which is the backside of a plum blossom

A vintage Taisho (pre-war)-period kamisori crafted by Yamamasa 山正(Yamada Denzaburo)

Unfortunately the Maker Mark is just something like a horse and cant be traced back

" New Old Stock — never used

It will fit most medium sized Kamisori

Prewar Nagura Set・Traditional Japanese Nagura for Razor Finishing Handcrafted Soap which is the backside ofThis is really special three Nagura stones, all around 200g packed in small boxes protected with wood shavings in a wood box with handwritten notes. Traditionally Naguras are used to rub them on a hard Japanese Whetstone to raise a slurry and kickstart the honing of your razor. These Naguras are not classified Mikawa Naguras as they predate the time Mikawa Naguras first stamped and researched. A bit of testing needs to be done. before using these. the