Section of the west wall of 3 remaining walls from a house in Zug, Switzerland, dating to the 14th century
Article about the walls (in German): https://www.e-periodica.ch/digbib/view?pid=tug-001%3A2011%3A27#5 p.16
Archieved in Zenodo: https://zenodo.org/record/6917140#.YuHQ0j1BxD8