>>6305919It's a Persuasion (Gather Information) to ask around and find buyers or sellers OR kind of knowledge OR you just follow a map to a market you know about.
Once there, it is Persuasion to build up repor or haggle. Or Deception.
Then it's Insight to get a read on the buyer or seller or a Knowledge to appraise the value of the goods.
I did give you a character sheet right?