Perseus and Andromeda, fresco from the House of the Dioscuri in Pompeii. The House of the Dioscuri was not excavated until 1828/29, so despite the similarities, Anton Raphael Mengs had not seen it when he painted his Perseus Frees Andromeda.
Parthenope and Metiokhos Mosaic. | Zeugma Mosaic
Fayum Portrait of a Girl. later 2nd c. CE. Fayium Oasis