14 January (Zaire ) within release Occasional issue of new values II goes into circulation Stamp CD 1184 with new value face value 2000 Zairean zaire
Stamp CD 1184 with new value in catalogues | |
---|---|
Michel: | Mi:CD 1052 |
Yvert et Tellier: | Yt:CD 1345 |
Belgium: | Bel:CD 1427 |
Stamp is horizontal format.
minerals: Uranium et pechblendeAlso in the issue Occasional issue of new values II:
Stamp CD 1184 with new value 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