The market is saturated with an abundance newer pins. Supply is up, and demand is being met no problem.
Quoted from dnapac:If deeproot really follows through, will their pins second market value plummet?
Without seeing any games yet there's no way to tell. But, it's probably safe to assume there will be a price drop on on secondary market, unless production numbers are limited and the games are highly desirable (ie, low supply high demand).