NOLDAU, 20 Pfg blue, 1 Mark dark red-carmine Steelworks and Dove of Peace 1920 on small letter from member of British troop contingent in OS to London, double-circle NOLDAU 4 4 21 * (Kr. NAMSLAU) * (OS handbook No. 232.1), NORTH-KENSINGTON 6 AP 21 I arrival on reverse, very neat strikes, good condition