caption: The image shows a marble relief of a man and a woman on a black surface, with a white background. The relief is believed to be from the Roman period, depicting the baptism of Christ. The man is wearing a long robe and has a halo of light around his head, while the woman is kneeling in front of him with her hands clasped in prayer. Both figures are surrounded by a golden halo, symbolizing the divine power of the baptism.