1945, "Give. Perforated Schmalzgrube (Erzgeb. ) ", black two-line cancel clear on cover with postmark "WOLKENSTEIN 21. 9. 45" and red box cancel of 2 lines "taxe precu" to Chemnitz with entrance stamp of the city, small traces, otherwise fine commercial usage, very rare postmark, in the Richter handbook not listed!