Of modern laboratory equipment 50 Pf. — Germany, Democratic Rep., 1963
Of modern laboratory equipment (Germany, Democratic Rep., 1963), face value 50 Pf., “Chemistry For Peace And Socialism” series. Photo, catalogue value…
- Series
- Chemistry For Peace And Socialism
- Issue date
- 1963
- Face value
- 50 Pf.
- Colors
- Dark grey ultramarine | Grey
- Michel
- DD 950