If you do want original springs from a car manufactured in 1985, there is a pretty good chance the part would be used. I think we are talking parts for a very rare car.
As for LEGO, I am a reseller and I laugh at much of the LEGO investment community. They collect many LEGO sets for investment purposes, but it is hard to tell which sets will skyrocket in value soon after retirement.
If you do want original springs from a car manufactured in 1985, there is a pretty good chance the part would be used. I think we are talking parts for a very rare car.
As for LEGO, I am a reseller and I laugh at much of the LEGO investment community. They collect many LEGO sets for investment purposes, but it is hard to tell which sets will skyrocket in value soon after retirement.