@AR, I agree that the surface of this piece is quite porous. I don't know enough to go against what the others have said, but I did find this seller mentioned in several previous CCF threads. You can use the keyword SAVOCA in the search box at the top of your screen to find all of them, but here are a couple that present slightly conflicting opinions:
http://goccf.com/t/187802http://goccf.com/t/215840
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz