Complex sentence: The earliest dated "Madonna of Humility" is the panel located at the "Museo Nazionale" in Palermo, Italy bearing the inscription "Nostra Domina de Humiltate" and the date 1346.
Split into simpler sentences: The earliest dated example is the panel located at the "Museo Nazionale" in Palermo, Italy. It bears the inscription "Nostra Domina de Humiltate" and the date 1346.