The complete set in detail

D029
Sc. Nr. B320
1951 - Humanitarian relief fund : St. Vincent de Paul, watermark 'multiple letters' - 4 Pfg. + 2 Pfg. ; lilac-brown

D030
Sc. Nr. B321
1951 - Humanitarian relief fund : Friedrich von Bodelschwingh, watermark 'multiple letters' - 10 Pfg. + 3 Pfg. ; dark green

D031
Sc. Nr. B322
1951 - Humanitarian relief fund : Elsa Brandström, watermark 'multiple letters' - 20 Pfg. + 5 Pfg. ; red

D032
Sc. Nr. B323
1951 - Humanitarian relief fund : Heinrich Pestalozzi, watermark 'multiple letters' - 30 Pfg. + 10 Pfg. ; blue