Focus on Young Woman Powdering Herself (Seurat) and discuss the Hidden self-portrait.
Since the painting was publicly shown, the wall behind the young woman had displayed a bamboo picture frame showing a vase of flowers. In 2014 using advanced image technology, it was revealed that Seurat had painted himself at his easel, the object on the wall is now believed to be a mirror. After showing the painting to a friend, Seurat painted over the portrait with a table and flowers. Ironically, this concealed portrait is the only known self-portrait made by Seurat.