Quoted from Saveleaningtower:one problem is i have no idea how to price them and don't want to get ripped off. i sold a bunch once to get my porsche and i know i got screwed. pissed me off
Your whole collection is popular, A-list games with fairly easy-to-determine market values. Pretty sure you won't get ripped off unless you forget to do a couple minutes of market research for each pin.