Markets
Mickey Mantle
1952 Topps
311
3
data qualifiedBaseballseeded
Mantle 1952 Topps #311 PSA 3
Will the benchmark settle above $52,000?
The flagship vintage card is obvious for attention, but the grade/eye-appeal spread needs strict outlier and provenance rules.
Benchmark
$51,400
Line
$52,000
Current index
$50,750
Market score
94
Benchmark trend
Resolves Jun 9, 2026Hard gates
10+ verified sales in 90 days
watchNeeds one more clean ingestion pass before public publish.
Variance under 40%
watchOutlier filter is active; operator approval required.
Population source present
passPopulation snapshot is attached.
Evidence ledger
| Source | Signal | Value | Quality | Note |
|---|---|---|---|---|
| OCDB seed | Catalog identity | 1952 Topps #311 | Q82 | Resolver fields are staged for the POC and ready to map to open-card-catalog output. |
| Reddit/YouTube seed | Demand pulse | High | Q74 | Seeded collector attention signal used until the live adapters run on a schedule. |