Stamp: Amethyst - Mineral Resources (Soviet Union, USSR 1974)
Amethyst - Mineral Resources (Soviet Union, USSR 1974)
24 April (Soviet Union, USSR ) within release Expo 74 goes into circulation Stamp Amethyst - Mineral Resources face value 10 Russian kopek
| Stamp Amethyst - Mineral Resources in catalogues | |
|---|---|
| Michel: | Mi:SU 4231 |
Stamp is vertical format.
Also in the issue Expo 74:
- Stamp - Flower - Nature Protection face value 16;
- Stamp - Barn Swallow (Hirundo rustica) - Air Pollution Control face value 4;
- Stamp - Fish - Water Protection face value 6;
- Stamp - Amethyst - Mineral Resources face value 10;
- Stamp - World Exhibition "EXPO-74" face value 50;
Stamp Amethyst - Mineral Resources it reflects the thematic directions:
A world's fair, also known as a universal exhibition, is a large global exhibition designed to showcase the achievements of nations.These exhibitions vary in character and are held in different parts of the world at a specific site for a period of time, typically between three and six months
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form
