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Vintage Naurtaki iro (color) kamisori toishi. This palm sized rectangular stone has been lapped flat and the
edges beveled but the four corners as you can see are a bit droopy. It is very pure in texture and fine enough to
shave off of and is a true finishing stone, the hardness is in the Lv4+ range so it is easy to use. Although fine
gritted, thisk is a very fast cutting stone and off a 5-6k stone this will within 30 strokes develop an edge will
pass a shave test and with some skill pass a HHT-3 to 4 with just a bit more attention.

There are no cracks or inclusions of any kind, it is in uesd but excellent condition, it could be used as a
pre-polisher or as a final hone.

This stone and the other kamisori toishi on my site are from a world class private collection of over 400 pieces
assembled in Japan over the past years in the area around Toyama by a collector of shaving implements. I
was lucky enough to purchase the total collection over a 2 year period. Many of the hones were actually used by
barbers, some dating to the 1920s or earlier, while others were simply prepared by the miners as razor hones
as evidenced by the size and fine quality of the stones grit composition.
SPECIMEN NARUTAKI        KAMISORI TOISHI #37
H
G
A
L
Hardness       
Scale
1 to 5+
Grit-Grain
Scale
1 to 5+
Abrasive
Speed
1 to 5+
Lightness &
Feel
1 to 5+

4+

5-

5+
 

Finish
Stone

HHT3
135 x
80 x
20 mm

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