HOT DAMN: that detail and the different textures conveyed with oil paint is incredible.
I did eventually realize that I ought to be taking photos of the artworks’ placards to identify them after the fact; however not when I snapped this photo. But not to fret, Google to the rescue! Goodness gracious, how I love Google’s reverse image search. This painting is by Jacques-Louis David and is called Portrait of Madame Charles-Pierre Pecoul, nee Potain, mother-in-law of the artist.