24 March (Bulgaria ) within release Museum goes into circulation Stamp 120th Anniversary of the National Museum of Natural Science face value 0.60 Bulgarian lev
Stamp 120th Anniversary of the National Museum of Natural Science in catalogues | |
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Michel: | Mi:BG 4887A |
WADP Numbering System - WNS: | WAD:BG009.09 |
Stamp is square format.
Also in the issue Museum:
Stamp 120th Anniversary of the National Museum of Natural Science 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