HINDENBURG, 1 Mark red-carmine Numeral issue 1920, 10 Pfg on 20 Pfg blue overprint Type I a provisional issue 1920, 1 Mark red-carmine Steelworks and Dove of Peace 1920 on insured letter (declared value 1000 Mark) to Berlin, double-circle HINDENBURG 22 10 20 b (OBERSCHL.) 1 (OS handbook No. 119.3), arrival (23.10.1920) on reverse, good condition