10 Pfg - 30 Pfg monetary reform vitims, 30 Pfg with plate flaw I "additional hatching stroke in patera", with additional franking as correctly franked on registered cover from "Berlin Charlottenburg 4 s 9.1.50" to Saarbrücken, photo expertize H. D. Schlegel BPP (2020) : "the letter is correctly franked. The item submitted for inspection point at slight signs of usage on. ", Michel 1.130.-