Allright. Wasn´t sure about it. So can I still trade them or does it not work?
I'm not 100% sure actually but from what the single pages say Sots 1 and Vic 2 don't have Steam keys. Not sure if that means you can't trade them.
Could be wrong though, best to check first. But that's what we gathered so far :/
I think it is keys for registration on paradoxplaza forum.