A Souvenir from the Luvre

I picked this one up a few years ago. I liked the frame, and for $1 I thought I can go through the trouble taking the old picture out and putting a new one in. I newer had the time to do so. I believe that someone bought this as a suvenier from the Louvre. Based on the wear and tear of the picture, I believe I must be from the early 1900's.
Any ideas?

Thanks for looking :)
I forgot to mention: The picture is of Madame de Popadour