And here's a shot of Ilia that I have, which I've never seen anywhere else. It has always puzzled me where it was taken. The background just doesn't have enough detail to tell.
Looks to me to be the V'GER set while it was lit normally. That would be my guess. It could be behind the scenes. But the expression on her face is in character.
I just got my own first and only Persis signature, myself. Cost me a pretty penny. Group shot from a magazine article.