Badge "40 Years Of The Finland-Soviet Union Association".

[CtahhR]

Here is the Badge "40 Years Of The Finland-Soviet Union Association" dating from 1984. The SNS (Suomi–Neuvostoliitto-Seura) was founded on 15th October 1944 (less than a month after the end of the Continuation War).
The Badge is made out of plastic but has no maker indications.