21 September (Algeria ) within release Minerals goes into circulation Stamp Cipoolin face value 5 Algerian dinar
Stamp Cipoolin in catalogues | |
---|---|
Michel: | Mi:DZ 1114 |
Stamp Number: | Sn:DZ 1027 |
Stamp is square format.
Also in the issue Minerals:
Stamp Cipoolin it reflects the thematic directions:
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