[Possible/Probable] Prague [Czech Republic]
Commentary from other sources:
1) “Travel on electric trams limited to last carriage. If carriage has two compartments then use is limited to last part. If tramcar consists of one carriage only, then entry by Jews is completely prohibited.”
“Nazi Restrictions on the Jews of Prague & The Role of the Jewish Community Council,” Holocaust Education & Archive Research Team, Accessed 8/27/2015