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DC·Detective Comics·#237·Silver Age·ID-2316676
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Sales | Total Value | Multiple |
|---|---|---|---|---|---|---|---|
| 9.8 | 0 slabs | 0 | $17,911.44 | — | — | (221.1x) | |
| 9.6 | 0 slabs | 0 | — | — | — | — | |
| 9.4 | 1 of 69 slabs (1.4%) | 1 | SOV | $8,100.00 | 1 | $8,100 | (100.0x) |
| 9.2 | 2 of 69 slabs (2.9%) | 2 | $2,365.49 | 2 | $4,731 | (29.2x) | |
| 9.0 | 3 of 69 slabs (4.3%) | 3 | $1,246.60 | 3 | $3,740 | (15.4x) | |
| 6.5 | 11 of 69 slabs (15.9%) | 11 | ANC | $349.95 | 3 | $3,849 | (4.3x) |
| RAW | Raw Uncertified Copies | — | RAW | $81.00 | 22 | — | (1.0x Base) |
Empirical cash settlement intelligence, cross-grade elasticity curve, and secondary liquidation velocity.
Empirical step multipliers between adjacent condition tiers. Pinpoints the exponential premium transition and capital efficiency frontier.
Realized turnover cadence and capital absorption depth across certified auction comps.
Autonomous institutional strategies, financial equilibrium, scarcity modeling, and algorithmic risk profiling.
Market operates purely on organic buyer and seller auction discovery. Zero artificial price interventions or emergency liquidity halts on record.
Verified historical transaction line with quarterly equilibrium baseline anchor.
Understand how physical sales, invested dollars, and liquidity friction divide across grades.
Completed market sales by grade
Relative market value allocation
Estimated execution friction
Bibliographic provenance, creator credits, historical significance, and multimedia documentation.
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Jack Schiff
Home of Superman, Batman, Wonder Woman, and the Justice League.
Marvel revolution. Stan Lee, Jack Kirby, and Steve Ditko create the modern superhero. Spider-Man, Fantastic Four, X-Men debut.
The sweet spot for collectors — significant enough to be culturally important, scarce enough to be valuable. 9.8 copies are extremely rare.
Silver Age (1956–1970) — the era that redefined the superhero genre. Scientific themes, moral complexity, and Stan Lee's Marvel revolution define this period. High-grade copies command aggressive premiums.
Inspectable mathematical proof, blockchain/ledger provenance, data integrity validation, and asset taxonomy.
In illiquid alternative asset markets, sovereign blue-chip holdings trade at an exponential multiple over mid-grade float due to institutional accumulation and inelastic seller reservation prices.
After a Bruce Wayne dummy set up to preserve Batman's secret identity is "murdered", the Batman is forced to assume a new identity separate from the "deceased" Wayne. While in hiding Bruce postulates the breaking-in of another boy to replace Dick Grayson as Robin. However, each possible kid for the role of Robin doesn't have the perfect requirements and Bruce can only imagine the mistake it would be to try and replace Robin with any other random kid. After a few days, the real Robin locates Bruce and takes him to the GCPD Headquarters, where Commissioner Gordon confirms the fact that the police have found the Bruce Wayne dummy on the river and Bruce explains that it was all planned with Batman to capture the criminals who wanted to kill him. Afterwards, Bruce can return to his normal life and he has learned that there will never be another Robin.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.
