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Graded-card protection score
Slabline™All graded cards →What a PSA 10 is worth — price-guide estimate, with every recorded sale we hold.
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How much the 1985 Leaf Ken Oberkfell #141 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 |
|---|---|---|
| Gem Mint 10 | $290est. | estimate |
Price guide data: SportsCardsPro
Estimated from this category's observed grade curve and this card's known value — no per-grade sales recorded yet. Estimates, not observed prices.
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Own this card? Track its value automatically.
Add it to your free Slabline collection — live valuations, a 0–1000 protection score, and a broker-ready insurance schedule.
Start my collection →Values are informational estimates built from recent comparable sales — not a certified appraisal, insurance, or financial advice. Card values fluctuate; figures are a snapshot and may differ from a realized sale.