National Geological Society 100th issue of Finland
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Short desc: National Geological Society 100th
Issuer: Finland Date: 2/8/1986 Occasion: National Geological Society founding Number/Year: 100 Consists of 3 stamps: (See stamps as list) 1.30m d=Kugelgranit Granite with dark mica & feldspar 1.60mk d=Rapakivi Granite with K-feldspar & plagioclase 2.10mk d=Vein gneiss with red granite All are dt=rocks perf=14 Record of changes |
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