The complete set in detail

R593B
Sc.No. B102a
1937 - Hitler's 48th birthday : Watermark 'swastikas' with the inscription 'Wer ein Volk retten will kann nur Heroisch denken', perforated - dark green ; 6 Pfg.

R593C
Sc.No. B103a
1937 - Philatelic Exposition : Watermark 'swastikas' with the inscription 'Wer ein Volk retten will kann nur Heroisch denken', unperforated - dark green ; 6 Pfg.

R593D
Sc.No. B104a
1937 - Culture Fund : Watermark 'swastikas'; with label inscription 'Kulturspende' - dark green ; 6 Pfg.