Reichsbank. German state. Reichsbanknote. 1. Oktober 1923.

link: Reichsbanknote. 10 Milliarden Mark. 1. Oktober 1923.

3.2. More information about Reichsbanknote. 20 Milliarden Mark. 1. Oktober 1923., See link: Reichsbanknote. 20 Milliarden Mark. 1. Oktober 1923.