Obverse
The small dots on the value side represent the small particles created in the air and the data obtained from them; denomination, country
Lettering: SUOMI LMK FINLAND
P
20 €
Reverse
Beard lichen - Nature's own air quality meter - with its root-like branching network
Lettering: ILMASTOTUTKIMUS
KLIMATFORSKNING
2022
Extended information
Year
Denomination
Currency
Metal
Krause catalog
KM# 307
Weight
25.5 g.
Diameter
38.6
mm.
Thickness
2.4 mm.
Subject
Climate research in Finland
Alignment
Medal ↑↑
Shape
Round
Edge
Plain
