Originally Posted by
Euclid440
There are some brown coticules, supposed to be harder and fine finishers, there is one for sale on French ebay, now, for over 200.
Though the slurry looks like Kita slurry.
What does it finish like on steel?
It will most probably pop out of the holder, if you lighly tap down on the edge of the wood holder. A couple light taps and it should break loose. You will hear the difference in the sound when it breaks loose. One of two more and it will come free.
The bottom and sides may give you more information.
Nice find. You are on a hot streak…