Saint Thomas Becket window in Chartres Cathedral
Saint Thomas Becket window in Chartres Cathedral is a 1215–1225 stained-glass window in Chartres Cathedral, located behind a grille in the Confessors' Chapel, second chapel of the south ambulatory. 8.9 m high by 2.18 m wide, it was funded by the tanners' guild.
Source: Wikipedia — Saint Thomas Becket window in Chartres Cathedral (CC BY-SA 4.0)