Mi.675-683 (18.11.1938)

next stamp issue

Mi.676 (Ref: 08.01.1939)

Mi.677 (Ref: 08.01.1939)

Mi.678 (Ref: 08.01.1939)

Mi.679 (Ref: 08.01.1939)

Mi.680 (Ref: 28.12.1938)

Mi.681 (Ref: 21.02.1939 - 1/74)

Mi.682 (Ref: 21.02.1939 - 1/74)

Mi.683 (Ref: 08.03.1939)

K33 (Mi.677 + Mi.678 inv.) Ref: 13.03.1939

K34 (Mi.675 + Mi.680 inv.) Ref: 11.04.1939 - 4/37