21 September (Algeria ) within release Minerals goes into circulation Stamp Gres lite-erode face value 3 Algerian dinar
Stamp Gres lite-erode in catalogues | |
---|---|
Michel: | Mi:DZ 1113 |
Stamp Number: | Sn:DZ 1026 |
Stamp is square format.
Also in the issue Minerals:
Stamp Gres lite-erode 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