20 Pfg Germania with oval imprint in good a-color (2) in mixed franking with 50 Pfg Germania with oval imprint (2) being a correctly franked mixed franking on cash on delivery registered cover from A"ALLENSTEIN 24. 7. 20" to Lübeck with forwarding undeliverable return, cover strong b eschnitten and franking various defects, photo expertize Wasels BPP: " rare piece"