Index Card Autograph Values
Market data for 79,439 index card listings, primarily featuring sports autographs.
What you'll usually pay
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👉 In short easy summary
The highest value is found in professionally authenticated items, with SGC certification showing a 1390% increase over the market median. Unauthenticated cards offer the lowest entry point at a median of 3.63.
Price by autograph authentication
Why? Prices vary based on certification trust, ranging from 3.63 for unauthenticated to 39.48 for SGC.
Price by team
Why? Demand fluctuates by franchise, with New York Yankees and St. Louis Cardinals commanding higher medians than the Detroit Tigers.
Price by player
Why? Value is driven by athlete fame, with Sandy Koufax at 24 compared to Willie Mays at 6.48.
🛒 Some on sale right now
Common questions
What is the median price for a new index card listing?
The median price for new listings is 29.99.
How does Beckett authentication affect the price compared to the market median?
Beckett Authentication Services (BAS) listings have a median of 25.34, representing a 856% delta.
Which player has the highest median value in this dataset?
Sandy Koufax has the highest median value at 24.
How we got these numbers
Worked out from 200 live eBay listings (price range $2–$40, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 10, 2026.