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DC·Detective Comics·#291·Silver Age·ID-2316733
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Sales | Total Value | Multiple |
|---|---|---|---|---|---|---|---|
| 9.8 | 1 of 79 slabs (1.3%) | 1 | SOV | $7,800.00 | 1 | $7,800 | (219.7x) |
| 9.6 | 0 slabs | 0 | — | — | — | — | |
| 9.4 | 4 of 79 slabs (5.1%) | 4 | — | — | — | (5.1%) | |
| 9.2 | 3 of 79 slabs (3.8%) | 3 | $398.92 | 3 | $1,197 | (11.2x) | |
| 9.0 | 7 of 79 slabs (8.9%) | 7 | ANC | $346.00 | 7 | $2,422 | (9.7x) |
| RAW | Raw Uncertified Copies | — | RAW | $35.50 | — | — | (1.0x Base) |
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.
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.
Bill Finger
Sheldon Moldoff
Charles Paris
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.
An alien creature inside a spaceship that arrived on Earth millions of years ago is awoken as the ship is unearthed deep in the Batcave and soon is loose and rampant in Gotham City. Batman and Robin are out to capture it and after investigating the spaceship closely, they learn that the creature comes from another planet searching for four special objects as part of that planet's centennial scavenger hunt. Unfortunately, the alien creature is tricked by Earth criminals into showing them the location of the Batcave. Batman and Robin manage to move the spaceship out of the cave as the creature returns. As the creature takes off in the ship, the criminals are captured and the location of the batcave is still a secret.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.
