This miniature from the Chronicle of Henry VII (1341) shows the seven prince electorates. The archbishop of Cologne sits below the shield with the black cross.
balduineum_wahl_heinrich_vii
THE WRITER-LY WORLD OF ANDREA CEFALO
Blogging Medieval History, Grimm's Fairy Tales, and My Progress on The Fairytale Keeper Series
THE WRITER-LY WORLD OF ANDREA CEFALO 