4. Hidden Mary w episcopal pallium, Lateran Baptistery 600px.png

Altar apse mosaic, circa A.D. 650, San Venantius Chapel, Lateran Baptistery; an 1890s painting of the mosaic by Giovanni Battista de Rossi, that depicts Mary wearing an episcopal pallium with a red cross. (Courtesy of Ally Kateusz/Wijngaards Institute of Catholic Research)