Natural Whetstone, Origin Unknown, Final Finishing Stone

Natural Whetstone. Origin unknown. It's a good whetstone!
Selling due to collection consolidation.
(This is a personal opinion, so please consider it as a reference.)
Personally, I find the sharpening feel to be good! (′▽`?)?
It's hard, but easy to sharpen.
I'd say about an 8 out of 10.
It's a good whetstone, and so far it doesn't leave mud.
For final finishing.
I took good care of it! It's a good whetstone, but
as you can see in the photos, the sharpening surface is slightly angled, so some people might find it difficult to sharpen!
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Since it's a natural whetstone, it might develop a different sharpening feel or leave mud in the future, so please understand this before purchasing!

Thank you for looking.
※As this is a used item, please only purchase if you understand this.
※Returns and exchanges cannot be accommodated.

Thank you for looking.