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.
No recorded PSA 10 sales — this grade rarely trades publicly. Showing PSA 8, the nearest grade with recorded sales.
Marketplaces only · 175 sales · 2022–2026
▲ 90.3% since Nov 2025
Hover for any sale · click to find it in the list
Log scale — the prices span more than 20×.
Oct 30, 2026 · Marketplace · PSA 5$5,950
Oct 24, 2026 · Marketplace · PSA 5$5,002
Oct 22, 2026 · Marketplace · PSA 5$4,800
Oct 18, 2026 · Marketplace · PSA 8$24,645
Oct 18, 2026 · Marketplace · PSA 6$8,300
Oct 18, 2026 · eBay · PSA 5.5$6,835
Oct 11, 2026 · Marketplace · PSA 5$5,011
Oct 11, 2026 · Marketplace · PSA 6$8,675
Oct 9, 2026 · Marketplace · PSA 7$13,400
Oct 7, 2026 · Marketplace · PSA 5$5,400
A PSA 10 1956 Topps Mickey Mantle [Gray Back] #135 is worth about $22,875, the median of its 5 most recent recorded PSA 10 sales.
Each point is one week's median recorded sale · tap the chart to read it
Log scale — prices across these grades span more than 20×.
Value by grade
How much the 1956 Topps Mickey Mantle [Gray Back] #135 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.
If you own this $22,875 card: a standard homeowners policy typically pays a few hundred dollars for stolen collectibles — and nothing at all for flood.
A small badge that shows this card’s current Slabline value and links back to this page. It updates on its own.
Frequently asked
How much is a PSA 10 1956 Topps Mickey Mantle [Gray Back] #135 worth?
A PSA 10 1956 Topps Mickey Mantle [Gray Back] #135 is worth approximately $22,875, the median of its 5 most recent recorded sales at this grade. Card values fluctuate with the market.
How does Slabline value the Mickey Mantle [Gray Back] card?
Slabline starts from the price guides for the card and grade. When it holds dated recorded sales of that exact card and grade — from CardHedge market data and the auction houses it ingests — the headline becomes the median of the most recent ones and the grade ladder rescales to match. Each row on the page names which of those it is.
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.
