drop boxes
USPS might have sat pick up at the same time on Saturdays

via StreetComplete 29.1

Attached photo(s):
https://westnordost.de/p/29500.jpg
https://westnordost.de/p/29501.jpg
https://westnordost.de/p/29502.jpg
https://westnordost.de/p/29503.jpg