Trying to identify stone

[grelcar]

I purchased this stone a number of years ago but cannot remember where it was purchased or any other information about it other than it is a 3000 grit waterstone. the stone is approximately 8" x 3" x 3/4". Any help would be appreciated.

 

[grelcar]

Solved my own mystery, With a little more internet sleuthing it appears i have a Suehiro Ouka 3000.