Stamp No. Issue date Number issued
D104.1 31. 7.1980 5,000,000
D104.2 31. 5.1980 250,000,000
D104.3 31. 7.1980 2,000,000
1.12.1980 5,000,000
30. 5.1981 3,000,000
5. 8.1981 20,000,000
D104.4 31. 7.1980 83,000,000
D104.5 31. 5.1980 40,000,000
D104.6 31. 5.1980 10,000,000
D104.7 31. 5.1980 10,000,000
D104.8 31. 5.1980 20,000,000
These stamps are printed with the same design as those released in 1978 and 1979, but some denominations, the red line in the horizontal under the design of national flag, and the color of 7.00 and 12.00 stamps are different.