A friend of mine want to send me this hone, he had acquired in Japan, but we don't know what its kind. Can someone help us? Thanks!
http://img28.imageshack.us/img28/4417/dscn1521m.jpg
http://img96.imageshack.us/img96/8613/dscn1522l.jpg
http://img717.imageshack.us/img717/6743/dscn1523.jpg