Slabline™
Graded-card protection score
Slabline™All graded cards →What a PSA 1 is worth — from real comparable sales.
Price checked today · last recorded sale 1 year ago at REA (PSA 1)
That's one card. Most collectors are holding 20–30× that across a shoebox they've never added up.
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How much the 1911 T9 Turkey Red Boxing Knock-Out Brown #66 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 |
|---|---|---|
| Grade 1 | $108est. | estimate |
Estimated from this category's observed grade curve and this card's known value — no per-grade sales recorded yet. Estimates, not observed prices.
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.
Prices realized at REA, SCP Auctions and Huggins & Scott, read from their public archives. Each lot carries its own grade.
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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.