My collection:
Germany

Germany pick 46b: 20 Mark from 1914
19.2.1914. Blue. Eagle at upper right. Back: Red and blue. 7 digit serial number.

Germany pick 76b: 1000 Mark from 1922
15.9.1922. Dark green on green and lilac underprint. Watermark: I. Yellow paper.

Germany pick 97b: 20000000 Mark from 1923
25.7.1923. 20 Millionen Mark. Black and light blue with lilac tint at right. 6 or 8 digit serial number.

Germany pick 98b: 50000000 Mark from 1923
25.7.1923. 50 Millionen Mark. Black and lilac-brown with lilac tint at right. Uniface. 8 digit serial number.