Stamp: Rheinland-Pfalz, definitive issue, red, face value 24 Pf. (Issue: 1947). The stamp depicts the Worms Cathedral.
Postmark: Worms, Circular datestamp CDS – 08.01.1948
Postcard: Monochrome photographic view titled “Worms a. Rh. Dom”, showing the western choir (Westchor) of the Romanesque cathedral (Edition Gebr. Metz, Kunstanstalt, Tübingen)
Concordance:
Thematic: Excellent thematic concordance. The 24 Pf. stamp depicts the Worms Cathedral, and the postcard shows the same landmark in Worms, Germany.
Geographic: The postmark from Worms perfectly matches the subject of the postcard and the origin of the stamp, reinforcing geographic concordance.
Temporal: The postmark date (8 Jan 1948) falls within the valid postal period of the stamp (issued in 1947 under French occupation), ensuring temporal concordance.