https://m.media-amazon.com/images/M/MV5BODg4NmU4N2MtNmViZS00OThkLTg0YmItM2Q5YThhNmQxMTVmL2ltYWdlXkEyXkFqcGdeQXVyNjQ2MjQ5NzM@.jpg
A painting by Boris Vallejo. It is called Primeval Princess.
I had a feeling it's either Boris or the other guy.
Well duh, it's signed but I didn't notice it 🙃
Probably Frank Frazetta. Oh, it does indeed say Boris at the bottom.