chemical plant in Vratsa 10 ст — Bulgaria, 1971
chemical plant in Vratsa (Bulgaria, 1971), face value 10 ст, “Construction of socialism” series. Photo, catalogue value, details and photo identification.
- Series
- Construction of socialism
- Issue date
- 1971
- Face value
- 10 ст
- Colors
- Black violet
- Print run
- 5,000,000