ma Elvgren Is This the Right Angle Gil Elvgren (1914-1980)

The picture has something of this: woman, indoors, people, wear, sit, retro, furniture, sitting, seat, recreation, facial expression, fashion, music, leisure, enjoyment, room, glamour, chair.
Perhaps it’s a painting of a woman sitting at a desk with a chalkboard in front of her and a chalkboard on the side of the wall behind her.