Long term, with regard to investment advice, the formula itself is very simple and applies with equal force to any collectible field: buy rare, significant items in the best condition you can find or afford. Condition is relatively easy--the rest requires research and study. The more time you "invest" in the latter, the better your picks will be over time. Common to somewhat scarce items tend to be cyclical in value over time, and I include the '52 Topps Mantle in this group (the virtually never-ending stream of them appearing on ebay or at auction is to me a decisive turn-off). It has significance galore; but no one in their right mind would call it rare or even scarce. Twenty-five years ago or so one author suggested there might be 15,000 of them still around. Their proliferation at auction suggests that estimate may well have been very conservative.
Best of luck to you,
Larry
Last edited by ls7plus; 12-21-2017 at 01:03 PM.
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