A postcard on a UNESCO World Heritage Site, Aachen Cathedral (Dom zu Aachen). The throne of Charlemagne inside the cathedral is shown on the bottom right. This cathedral is located in Aachen (Aken or Aix-la-Chapelle), a border town near the Netherlands and Belgium. Thanks steftan07.
This card was sent from Belgium. A 1st class stamp for world were used. It was cancelled at Antwerpen X on 14.1.2013