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DC·Detective Comics·#257·Silver Age·ID-2316696
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Sales | Total Value | Multiple |
|---|---|---|---|---|---|---|---|
| 9.8 | 0 slabs | 0 | $10,125.56 | — | — | (334.8x) | |
| 9.6 | 0 slabs | 0 | — | — | — | — | |
| 9.4 | 0 slabs | 0 | — | — | — | — | |
| 9.2 | 0 slabs | 0 | $1,377.29 | — | — | (45.5x) | |
| 9.0 | 0 slabs | 0 | $979.00 | — | — | (32.4x) | |
| 8.0 | 6 of 44 slabs (13.6%) | 6 | SOV | $580.00 | 6 | $3,480 | (19.2x) |
| RAW | Raw Uncertified Copies | — | RAW | $30.24 | — | — | (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.
Sheldon Moldoff
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.
Batman and Robin face Karko, a thief from the 26th Century who steals objects from Batman's time to sell them at great profit as antiques in his own era. After the Batmobile is rendered useless by Karko's future technolofy, the Dynamic Duo decide to try their new inventions: the Whirly-Bats, which work as one man helicopters. However, their new vehicles are also useless against Karko. When all hope to capture the thief is lost, a policeman from Karko's time appears and aids the heroes no their crusade against the thief. Using a special time traveling device, Batman and the policeman from the future manage to lure Karko into a trap, before sending him to a prison of the future. After the thief is captured, the future lawman returns the stolen objects and he returns to his own time.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.
