Portrait after a Costume Ball (Portrait of Madame Dietz-Monnin) Edgar Degas (1834-1917)

The picture has something of this: people, pastel, vintage, artistic, antique, woman, retro, paper, ancient, wear, god, wall.
Perhaps it’s a painting of a woman sitting in a chair with a scarf around her neck and a hat on her head, with other people in the background.