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Graded-card protection score
Slabline™All graded cards →What a PSA 9 is worth — price-guide estimate, with every recorded sale we hold.
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eBay, Fanatics Collect, Alt, MySlabs, Goldin and Heritage records arrive through CardHedge's licensed feed; REA, SCP and Huggins & Scott are read from each house's published prices realized. More eBay, Goldin and auction sales come from The Card API.
Sales seen on eBay, Fanatics Collect, Goldin, Heritage, Alt and MySlabs, via CardHedge. "Marketplace" is a real CardHedge sale whose venue is not identified yet.
A PSA 9 1975 Topps Nolan Ryan #500 is valued at about $1,740, a price-guide estimate rather than a recorded-sales median. Slabline holds 11 recorded PSA 9 sales of this card between December 2018 and October 2026; the most recent sold for $17,080 on October 24, 2026.
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Log scale — prices across these grades span more than 20×.
How much the 1975 Topps Nolan Ryan #500 is worth at each grade.
How to read this page: an estimate is Slabline's figure for a grade, built from the source named beside it. An observed price is the latest price a grader's copy of this card fetched, one cell per grader and grade in the grid below. A recorded sale is a dated transaction with its venue. The headline above is the estimate for this slab's own grade.
| Grade | Value | Built from |
|---|---|---|
| Raw / Ungraded | $62est. | 23 recorded raw sales |
| Grade 7 | $325est. | 59 recorded sales |
| Grade 8 | $1,050est. | 28 recorded sales |
| Grade 9 | $1,740est. | estimate |
| Grade 9.5 | $3,363est. | estimate |
| Gem Mint 10 | $5,118est. | estimate |
Price guide data: SportsCardsPro
Estimated from this category's observed grade curve and this card's known value, not from this card's own sales at each grade (the recorded sales are above). Estimates, not observed prices.
Price checked today · last recorded sale 19 days ago (PSA 9) · 93 sales in the last 90 days (all grades)
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If you own this $1,740 card: a standard homeowners policy typically pays a few hundred dollars for stolen collectibles — and nothing at all for flood.
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