The complete set in detail

D057
Sc. Nr. B332
1953 - International philatelic exhibition 'IFRABA' at Frankfurt : Gateway Thurn and Taxis, watermark 'waves' - 10 Pfg. + 2 Pfg. ; yellow-green, black and pink

D058
Sc. Nr. B333
1953 - International philatelic exhibition 'IFRABA' at Frankfurt : Telecommunications buildings, watermark 'waves' - 20 Pfg. + 3 Pfg. ; dark red, black and blue