can an engraving inside a ring be removed?

[innerkitten]

I saw a really pretty antique ring with engraving on the inside that said from MM to JK 1940. It was a pretty good price and I wondered if it was because of the engraving on the inside being unremovable.
-Kitten

 

[innerkitten]

I seem to have posted this in the wrong section oops!
I'll put it in the right place.