The complete set in detail

RD009
Sc.No. OL9
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - green ; 5 Pfg.

RD010
Sc.No. OL10
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - carmine-red ; 10 Pfg.

RD011
Sc.No. OL11
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - brown ; 15 Pfg.

RD012
Sc.No. OL12
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - 20 Pfg.

RD013
Sc.No. OL13
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - orange / yellow-orange ; 30 Pfg.

RD014
Sc.No. OL14
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - violet / yellow-orange ; 50 Pfg.

RD015
Sc.No. OL15
1920 - Official stamp : Watermark 'lozanges', with figures number '21' in the corners - vermilion / yellow-orange ; 1 Mk.