The IMAREAL in Austria offers a series of lectures called "Materielle Welten" , and the one upcoming on November 6 is in English. The lecture starts at 17:00 MEZ and is titled "Seal Bags and Relics: The Case of Thomas Becket", held by Jitske Jasperse from Madrid.
You can join in for free; find out more about the series here (page in German) and about the upcoming talk here.