PITSCHEN 20.1.1921 ZKr (251.3) as well cork cancel (251 d) on package card for a cash on delivery package with single franking 3 Mark dark gray violet postage stamps issue smelting works and peace pigeon 1920 to Schwientochlowitz, arrival postmark SCHWIENTOCHLOWITZ 21.1.1921 (319.5) at back, transport traces