ZAUCHWITZ 28.9.1920 single circle (OS handbook number 371.1) as well cork cancel (in the OS handbook unlisted) on package card with 1 Mark red carmine block of six (at back) and two single stamps (on face) to Bochum, arrival postmark ZKr BOCHUM -5.10.20.12-1 N * 1 r (at back), time typical traces of age and usage