Mass franking of 10 M brown-lilac vertical strip of three and horizontal strip of five, 20 M dark gray-lilac postage stamp issue of 1922 on a letter from Katowice (formerly Kattowitz) to Beuthen, reused German ZKr KATOWICE 14. 4. 1934 (141. 20) (Postmark error: year 1934 instead of 1923!) typical age and usage marks.