Investing in Vintage Lego

OzGadget · 2013-08-11T00:24:24.000Z

I am wondering from the more seasoned collectors and investors what their view of vintage lego is. Firstly, how old does Lego need to be before it is considered to be vintage? Are we referring to sets that are 10, 20 or 30 years old? Secondly, does the set need to have the box? I know of collectors who have kept the box even when the set has been played with but if you have the complete set, does that not constitute the greater portion of the value? I also wonder what your views are on sets that are "almost complete" or "complete with substituted parts". I have seen a number of listings where this is noted however it is better to says so than to mislead the customer. I am raising this topic as I have been purchasing some old sets from my childhood and the more I look, the more I learn about the "Vintage Lego" market. I can see the Lego Movie also sparking interest in the old Space Lego sets and the old Sports Lego sets as well..