By A Mystery Man Writer
Football cards have passed through the hands of fans since the '30s. The market for sports trading cards is expected to reach more than $98 billion by 2027.
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TOP 25 Highest Selling NFL Cards from the Junk Wax Era on
Top 20 Most Valuable Football Cards Of All Times
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How to Determine Your Football Cards' Value - Invaluable
40 Most Valuable Football Cards: The All-Time Dream List - Old
Top 20 Most Valuable Football Cards Of All Times
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The Top 100 Most Valuable Sports Cards