Independent·Sub-Mariner·#18·Silver Age·ID-2400431
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Sales | Total Value | Multiple |
|---|---|---|---|---|---|---|---|
| 9.8 | 5 of 137 slabs (3.6%) | 5 | SOV | $640.23 | 5 | $3,201 | (99.6x) |
| 9.6 | 14 of 137 slabs (10.2%) | 14 | $464.55 | 14 | $6,504 | (72.2x) | |
| 9.4 | 30 of 137 slabs (21.9%) | 30 | ANC | $125.66 | 30 | $3,770 | (19.5x) |
| 9.2 | 14 of 137 slabs (10.2%) | 14 | $73.00 | 14 | $1,022 | (11.4x) | |
| 9.0 | 13 of 137 slabs (9.5%) | 13 | $33,600.00 | 13 | $436,800 | (5225.5x) | |
| RAW | Raw Uncertified Copies | — | RAW | $6.43 | — | — | (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.
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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Stan Lee
Publisher profile coming soon
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.
Namor awakens on an operating table in the Stalker's ship and listens to him gloat about his plan to rob the Earth of its precious oceans. Namor learns that Triton is also being held captive and frees him. Together, they battle through the Stalker's troops and prevent the Stalker from bringing about the Earth's doom. They're returned to Earth, but Namor discovers that the aliens have operated on his gills and they no longer allow him to breath underwater. Triton promises to return the trident to Atlantis.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.