Swift (Apus apus) Definitive Stamp

Finland · 1952 · 20 mk

A brown swift (Apus apus) bird is depicted in flight against a light background, with the denomination '20 mk' and 'SUOMI FINLAND' at the bottom.

This stamp is part of a definitive series issued by Finland, likely featuring local wildlife, and represents the country's postal services in the post-war era.