What is a Panini trading card worth?

The median is the middle value, not the average; one exceptional example does not drag it around. The middle-50% range ($3.50–$8) is the more useful figure when you are standing in a store: it tells you where an ordinary example of this item lands.

Sell-through is the share of listings that actually sold in the comp window. It is the number that separates an item worth buying from an item that merely looks valuable, and it is why an asking price on its own tells you very little. More on sell-through.

What these numbers cannot know is which one you are holding. Condition, version, completeness, pattern and original packaging routinely push a single item well outside this range in both directions, and the ones at the top of the range look identical to the ones at the bottom until somebody checks. That is how the good ones get left on the shelf.

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