The oldest of the 8,000 postcards collected by Jörg Dieter Schwethelm date from 1872. They show Göttingen from numerous historical perspectives. We compared the photos with current recordings – and discovered exciting details. The oldest postcards that Jörg Dieter Schwethelm collected date from 1872. He no longer remembers when he started collecting postcards. The oldest postcards that Jörg Dieter Schwethelm collected date from 1872. He no longer remembers when he started collecting postcards.