The complete set in detail

D053
SG No. 1093
1953 - Transport Exhibition Munich : Rail transport, watermark 'B, P and zigzag lines' - 4 Pfg. ; brown

D054
SG No. 1094
1953 - Transport Exhibition Munich : Air, watermark 'B, P and zigzag lines' - 10 Pfg. ; green

D055
SG No. 1095
1953 - Transport Exhibition Munich : Road, watermark 'B, P and zigzag lines' - 20 Pfg. ; red

D056
SG No. 1096
1953 - Transport Exhibition Munich : Sea, watermark 'B, P and zigzag lines' - 30 Pfg. ; blue