Japanese natural whetstones Okudo Tomae Koppa S
Genuine Okudo is very rare and less to come by now. This one is attached to a wood block and has been sealed. Medium hard about 2.8/5 and it is very fine grain. May be use as a tomonagura due to its small size or polish and sharpening for small blade. Partial of the stamped was removed.
Size: 158mm(L) x 55mm(W) x 23mm(H)