Sappho Inspired by Love by Angelica Kauffmann, 1775, oil on canvas. Collection of the John and Mable Ringling Museum of Art, Sarasota, Florida via Wikimedia Commons (X). Public Domain.
Sappho is depicted as writing the last verse of her Hymn to Aphrodite (translation, notes, and metrical explanation here).
More about Angelica Kauffmann here.