Mummy portrait of a woman in Encaustic, top left: Detail of the flesh tones, top right: Detail of the flesh tones in raking light, the imprints are from rhombic-shaped, pointed and toothed cauteries, bottom left: Modern reproduction of a rhombic cautery, bottom right: microscope image of the rhombic-shaped imprints in the painting layer of the mummy portrait.

1st half of the 2nd century