Oh it does exist. It may be updated but it exists.
In 1948 The Finno- Soviet Treaty was signed
The text is here
Considering Finland’s desire to remain outside the conflicting interests of the Great Powers; and Expressing their firm endeavour to collaborate towards the maintenance of international peace and security in accordance with the aims and principles of the United Nations Organization:
Russia, Finland Treaty- Arctic Maneuvering
Previously:
Ms. Cat’s Chronicles 