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DC·Justice League of America·#48·Silver Age·ID-2388277
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Sales | Total Value | Multiple |
|---|---|---|---|---|---|---|---|
| 9.8 | 2 of 110 slabs (1.8%) | 2 | SOV | $1,170.75 | — | $2,342 | (117.2x) |
| 9.6 | 6 of 110 slabs (5.5%) | 6 | $586.00 | — | $3,516 | (58.7x) | |
| 9.4 | 12 of 110 slabs (10.9%) | 12 | $400.00 | 1 | $4,800 | (40.0x) | |
| 9.2 | 19 of 110 slabs (17.3%) | 19 | ANC | $191.26 | 1 | $3,634 | (19.1x) |
| 9.0 | 13 of 110 slabs (11.8%) | 13 | $154.52 | 4 | $2,009 | (15.5x) | |
| RAW | Raw Uncertified Copies | — | RAW | $9.99 | 26 | — | (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.
Gardner Fox
Mike Sekowsky
? (logo illustration)
? (logo illustration)
Julius Schwartz
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.
Having found an ancient book that appears to indicate that he once defeated the JLA, Xotar travels from 11,960 to the present to test four weapons against the Justice League, in order to determine which weapon will help him defeat the Intersolar Police of his own day. But the JLA counters each of Xotar's weapons and returns him to face justice in his own time.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.
Justice League of America #1
9.8
$53,763.30
9.6
—
9.4
—
RAW
$84.00
Justice League of America #1
9.8
$302.59
9.6
—
9.4
—
RAW
$24.74
Justice League of America #1
9.8
$102.35
9.6
—
9.4
—
RAW
$48.97
Justice League of America #1
9.8
$79.97
9.6
—
9.4
—
RAW
$59.00
Justice League of America #1
9.8
$70.17
9.6
—
9.4
—
RAW
$5.05
Having found an ancient book that appears to indicate that he once defeated the JLA, Xotar travels from 11,960 to the present to test four weapons against the Justice League, in order to determine which weapon will help him defeat the Intersolar Police of his own day. But the JLA counters each of Xotar's weapons and returns him to face justice in his own time.
All man-made inventions in the world stop functioning. The Justice League summons Merlin from the Magic Dimension to help find a way to restore Earth to normal.
Kanjar Ro forces the Justice League to help him defeat his enemies by freezing the people of Earth motionless. Only the combined voices of his enemies -- Kromm, Hyathis, and Sayyar -- saying "Kanjar Ro" can release them.
“| Speaker =”
— | StoryTitle1 = Challenge of the Weapons Master!
The Brave and the Bold Vol 1 29|1
| Trivia =
