Single franking 3 M green postage stamps issue 1922 on postcard from Katowice (BEFORE THAT. Katowice) to Wirek (BEFORE THAT. Antonienhuette), thence further routed to Bytom ( = Beuthen), still used German ZKr KATTOWIITZ 25.10.1922 (141.29), good condition, signed Z. Korszen