Nice German Red Cross (Deutsches Rotes Kreuz) officer dagger in good condition. As most known examples this one does not have a maker mark.
Handle and cross guard : Silver finished, made from zinc. Traces of wear, looks like was cleaned and light repaired. Grip: Orange. No chips. 
Blade: clean, few dots. Maker's mark: Unmarked
Scabbard: No dents. Both screws in place
ESC+