25-50 and 75 Pfg voting symbol on special delivery registered letter from MARIENWERDER 17.5.20 to Leipzig, as well 25 Pfg pinprick-like perforated and 50 Pfg perforated in the good variety on thick paper, reverse arrival postmark LEIPZIG 19.5.20, stamps as usual perforated, envelope two-sided opened, signed Hochstaedter BPP