RATIBOR 12.2.1921 ZKr (OS handbook number 274.3) on locate value letter (indication of value: 1500 Mark) with 1 Mark red carmine numeral of value 1920, 10 Pfg on 20 Pfg blue provissional issue 1920, 2 Mark dark brown ironworks and dove 1920, very neat postmarks repulses, very fine