Yes, in Münster they must have developped a strange love to their
patron saint, to
portrait him with such a
face.
(They made sure he was "all ears to their prayers").
I kept a
bit looking to that bishop-side of your coin and realised I was wrong to turn your original picture by 180°.
Underneath I turned it back to its original position to be able to compare some details, which point all to a Ludwig von Hessen-type.