European Swallow and Conference Building, Helsinki

Finland · 1975 · 1,00 mk

The stamp features a European Swallow (Hirundo rustica) in flight over a stylized depiction of a conference building in Helsinki, with the denomination '1,00' and country names 'SUOMI FINLAND'.

This stamp likely commemorates a specific international conference or event held in Helsinki in 1975, possibly related to nature or international cooperation, featuring a prominent local bird and a significant building.