Search:

I don't know if i could take it out. i will try lets see what happens.
it has been used with oil. i wasn't able to lap it to flat that dark spot's are the dished parts.
How many stones HAD PEOPLE ...

I did dig around and find stone i think matches what you have. i have not done any test on this and not lapped flat yet. very hard stone. this is the pic's.

Don't feel bad Bart .
I bought this for coticule price.
Ends up piece of BALSA darn.
LOVELY SIGN OF the HAD.

Sorry i have to say. check the stone in picture's and let me know are they different? 2 dark spots on this stone using oils and i haven't lap it flat .
This is oil stone and if you try make slurry...

IanS
We have early POST about HAD signs. if you find that post it will be a lot clear to you.
You are welcome to add to that post any sign you think is belong to HAD .GL

i SHOULD say you...

Welcome to HAD.
This should be one of the sign.
Person buys stone although has no idea what is he buying.