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Siegelmarke BerlinPotsdamMagdeburger EisenbahnGesellschaft. de Siegelmarke der BerlinPotsdamMagdeburger EisenbahnGesellschaft die Teil der Preuischen Staatsbahnen wurde before veikkosarchiv php title Datei author PDOld Uploaded with Sealing stamps of Berlin Sealing stamps of rail transport companies of Germany Blue sealing stamps