The complete set in detail

E038
Sc. Nr. 82
1951 - German friendship with China, Mao Zedong : Watermark 'flowers' - 12 Pfg. ; green

E039
Sc. Nr. 83
1951 - German friendship with China, Chinese land reform : Watermark 'flowers' - 24 Pfg. ; carmine-red

E040
Sc. Nr. 84
1951 - German friendship with China, Mao Zedong : Watermark 'flowers' - 50 Pfg. ; ultramarine