Came across this thought-provoking article by Nick Tylwalk. It’s titled Identifying the Most Valuable Sports Cards.
In it, he gives us some excellent tips. Here’s a short excerpt:
Rookie cards are the foundation of the hobby, and their popularity has withstood the test of time. The trick is to identify them without a price guide, and it’s not always easy since some cards that say rookie card on them actually aren’t.
Tylwalk shares a lot more insights here. Take a look at the rest of the article at this link to LiveAbout.com.