Deutsche Reichsbanknoten 1874-1945 1 Mrd. Mark, 5 September 1923, KN 6-stellig, FZ rot, Serie AC, Rosenberg 111b. Erhaltung I.
Banknotes of the Bank of the German Empire 1874-19 1 Mrd (Billion). Mark, 5 September 1923, KN 6 digits, FZ red, set AC, Rosenberg 111 b. Condition I.