: This seems to indicate a year or a range of years, possibly suggesting a production or release year of a film or series. However, it appears incomplete ("20...").
Before developing a “feature” related to it, I need a bit more context from you: Strumpfgebiete 1-2-3-4-5-6 -Magma Film- 2013-20...
series is a notable collection from the German production house Magma Film : This seems to indicate a year or