Essen, Germany: Stained glass window upon the draft of Sr. M. Franziska Wüsten (1955). The artwork was carried out by the glass artist Ursula Graeff-Hirsch. Symbol of the cross and the characters "AVE" as second part of "AVE MARIA" (The characters "MARIA" are depicted in the neighboured stained glass window). It is located in the south west side of the nave under the organ loft.