Saint Patrick’s window

St. Patrick appears to be holding a strange-looking plant in his right hand. It has rudimentary green leaves and three flowers at the top, white with yellow stamens, best seen in the third photo – it is definitely not a shamrock! Perhaps it is reminiscent of how his staff took root on one occasion. He is carrying a bag of some sort in his left hand – perhaps it contains St. Patrick’s bell. On his chest, Patrick wears the Breastpiece (or Breastplate) of Judgement. It has four rows of three holes representing the twelve tribes of Israel and was first worn by Aaron, the high priest, when he entered the Holy Place in the Temple. [Exodus 28:15].
As with the Red Saint’s window, much of the detail of face and hands has worn away.

There is a brass plate beneath the window which entreats us to –