4 Pfg Hitler with overprint in type I and 8 Pfg Hitler with overprint in type IIb as properly franked mixed franking on local letter with cancellation "Netzschkau b / 4.8.45.-19", photo expertize Kunz BPP (2019) : "the quality is good to excellent. These form of expression of the 12 Pfg postage is very rare. So far has me no an additional, such letter produced. "