Souvenir sheets issue \"monetary reform vitims\" with plate flaw II in properly franked mixed franking with 5 Pfg green overprint on air-mail registered letter to Durlach in the Allgäu, cancelled \"Berlin Neukölln 4.1.50\", photo expertize Schlegel BPP: \"genuine, defects at the souvenir sheet are indistinguishable. \", Michel - .