the central figure of the Holy Virgin with the Christ Child appears to spring from a water source near the Gates of Constantinople, declaring these waters, symbolic of herself, the source of life and health, in the lower register those stricken with afflictions are depicted drinking the waters and recovering from what ails them. Egg tempera, gold leaf and gesso on wood panel. Two insert splints on the back (both missing). 35.8 x 31 cm (14 x 12 1/4 in.)