I am not sure magnification would be required to produce that piece. Some people have visual acuity in the range needed to produce that work. And it depends on age.
I do wonder what tool they used. Perhaps a harder stone?
However it was done, it's a great, beautiful piece! What a find!
I do wonder what tool they used. Perhaps a harder stone?
However it was done, it's a great, beautiful piece! What a find!