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Independent · Challengers of the Unknown · #4 · Silver Age · ID-2424559
Stored prices by grade and source, exactly as recorded. A source with no price for a grade shows a dash.
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Track your holding in your portfolio. Record your grade (0.5–10.0 or Raw), grading authority (CGC, CBCS, PSA, or Raw), acquisition cost basis, and purchase date to activate real-time equity valuation, unrealized ROI, and capital gains tracking.
Dated PriceCharting snapshots and recorded sales. Nothing is drawn where no dated price exists.
AI-scored · tracking Challengers of the Unknown · refreshes every 2 min
RSI needs 15 dated prices; 1 on file for 9.8.
BB20 is waiting for 20 dated prices for 9.8; no shorter window is substituted.
Market-wide signal (top 4) · Issue-specific signal (bottom 2 · tagged ISSUE)
Challengers of the Unknown #4 demonstrates disciplined liquidity depth and stable sovereign grade spread characteristics across current secondary market trading.
News linked to this book, the Grand Comics Database record, variants and the source of each figure.
Jack Kirby
Jack Kirby
Wally Wood
typeset
Jack Schiff
| Grade | Panel Profits |
|---|---|
| 10.0 | $13,254.00 |
| 9.8 | $10,195.21 |
| 9.2 | $1,392.16 |
| 9.0 | $512.03 |
| 8.0 | $660.00 |
| 7.0 | $416.45 |
| 6.0 | $125.00 |
| 5.0 | $97.00 |
| 4.0 | $69.00 |
| 3.0 | $55.00 |
| 2.0 | $44.00 |
| Raw | $49.71 |
Single-source econometric valuation across 1 verified monthly observation epochs (0Y runway)
Hedonic age factor + census scarcity weighting.
80% Interval: Unmeasured (Insufficient Volatility Sample)
Wholesale realization (45% haircut · ILLIQUID_SPECIALTY)
Relative-value gravitational equilibrium anchored to the foundational genesis instruments of sequential art.
| Grade | Dealer Buy (Bid) | Retail Sell (Ask) | Spread | Underwriting House |
|---|---|---|---|---|
| 6.0 | $69.00 | $138.00 | 50.0% | Khamsin Custodial |
| 4.0 | $30.40 | $75.99 | 60.0% | Khamsin Custodial |
| Raw | $22.00 | $54.99 | 60.0% | Arnveld Capital |
Multi-tier analytical consensus distinguishing public truth, firm posture, desk urgency, and personal exposure
Generational apex asset with museum-grade historical prestige.
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.
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.
The Challengers of the Unknown are called in to investigate an apparent Greek soldier who has appeared in modern times and stolen a plane and other artifacts. They learn that he was summoned by the "wizard of time". Taken to the wizard, they learn that he is a scientist named Darius Tiko, who finished the work of the lat Dr. Hobart Reinmetz. When asked what he did with the objects that were stolen, Tiko explains that he gave them to people from other times. However, before the Challengers can apprehend him, he disappears in his time cube. Finding a spare cube, the Challengers decide to go to the different eras to recover the stolen items. Traveling to ancient Greece, Ace and Rocky clash with Greek soldiers to recover the stolen airplane, however the plane crashes and the two have to face an approaching war army. In Ancient Egypt, Prof and Red try to convince Rhamis to give them back the telescope, however when a sect of socerers attack, the telescope is destroyed. Red and Prof manage to escape and use the Time Cube to return to Greece and save Rocky and Ace before they are trampled by the Greek army. The entire group traveling to the 15th Century they meet Nostradamus, who tells them that Tiko only came seeking mathematical formulas to probe the future. Using it to rewire their time machine, the Challengers travel to the future after Tiko. Arriving in the future the Challengers are easily subdued by Tiko using future technology, however the scuffle is stopped by local law enforcement who try all present. Finding them innocent of any crimes in the future, they are told to go back, the future police informing them that they will return all the stolen items and that the other time cube has been confiscated. Returning to their own time, the Challengers take Tiko back to the main land, and as they leave the Time Cube explodes.
Valuation parity across physical collectible manifestations for Challengers of the Unknown #4.
CGC, CBCS, PSA Universal certified high-grade specimens (9.8 / 9.6 / 9.4). The gold standard for institutional alternative investment.
Official witnessed creator-signed slabs (Yellow label). Valued based on creator historical stature and inscription provenance.
Certified specimens from landmark historical collections (Edgar Church / Mile High, White Mountain, Kansas City, Pacific Coast).
Original newsstand barcode distribution copies. Extremely scarce in high grade due to newsstand rack wear and unsold return pulping.
Regional price test market copies (Canadian 75¢/95¢ variants, Marvel 30¢/35¢ test variants). Highly coveted micro-population rarities.
Exclusively allocated copies requiring retailer orders of 1:25, 1:50, 1:100, or 1:500 standard copies. Immediate manufactured scarcity.
Unslabbed collector copies inspected under standard Overstreet physical guidelines. The primary pool for grading arbitrage.
Alternative artistic interpretations, virgin covers, metal foil, and convention exclusives with dedicated collector followings.
Standard specialty comic shop printings sold through non-returnable distribution. The baseline circulation foundation.
Green label copies with significant manufacturing flaws, unwitnessed signatures, or missing coupons that do not affect the main story.
Purple label copies with professional or amateur color touch, tear seals, piece fill, or spine rebuilds.
Blue/Grey label copies treated exclusively with archival preservation techniques (leaf-casting, rice paper tear reinforcement, solvent wash).
Official second, third, or later printings released to satisfy secondary market sellouts. Distinct cover art and trade dress.
International editions licensed by La Prensa (Mexico), Editora Abril (Brazil), Panini (Europe), or Titan (UK).
Certified printing oddities (missing foil, inverted interior, double covers, foil color error). Unique curiosity pieces.
Advance promotional black-and-white booklets, ashcans created to secure trademark rights, and preview giveaways.
Each cover variant, retailer incentive, and subsequent printing represents an independent atomic tradeable instrument with unique supply elasticity, barcode registration, and secondary market demand.
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Inspect underlying sources, timestamps, and confidence factors for any market claim
All prices are current market price based on historic completed sales with a buyer and seller agreeing on price. Calculated via proprietary algorithm tracking end-of-month historical sales. Unsold items are excluded.
Stored PriceCharting 9.8 price for product 2424559. 1 dated nightly snapshot on file for this book.
Red travels to the edge of the solar system with Green Lantern and Captain Comet to investigate the latest anomaly. Mister Terrific continues to be concerned about the Omega energy that is manifesting in the Challengers.
When a group of men dressed as ancient Greek soldiers attempts to steal a plane, one is captured. The Challengers are brought in to investigate and find that the captured soldier only wishes to return to the "Island of the Wizard." The soldier leads the Challs to this island where they meet Darius Tiko, who experiments with time travel. Confronted, the scientist disappears in a time cube but the Challs and the soldier follow in another cube, to track down Tiko and recover his stolen technology.
A bear swims underwater wearing scuba gear and discovers a treasure chest full of Tootsie Rolls.
Having split up, Ace and Rocky are looking for Tiko and his stolen technology in ancient Greece where they are accused by an oracle of being messengers of ill omen. They run from the Greeks, find Tiko's stolen plane, and crash it near where they hope Prof and Red will return with their time cube.
A bear rides a Tootsie Roll Pop rocket in outer space.
In Egypt, Prof and Red destroy Tiko's stolen telescope, reunite with Rocky and Ace, and head to the 15th century to find Nostradamus and Tiko, but Tiko has already met the seer and gone.
Doctor Rocket gets a tour on an alien city covered with a giant glass dome where nothing gets done on Tuesdays. On Tuesday everybody in the city spends the day washing the glass roof.
The Challengers find Tiko in the year 3,000 AD, but all are arrested and submitted to the judgment of a machine, which dismisses all charges and sends them back to their own time (in one cube) for Tiko to face justice.
Recorded price evidence by source and grade tier. Ungraded / RAW pricing represents loose physical copies; certified grading authorities record authenticated slabbed grades only. Unpriced grades remain unpriced.
| Authority Source / Metric | RAWUNGRADED | 1.8 | 3.0 | 4.0 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | 9.2 | 9.6 | 9.8ANCHOR | 10.0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Panel Profits(Exchange FMV) | $49.71 | — | $55.00 | $69.00 | $97.00 | $125.00 | $416.45 | $660.00 | $512.03 | $1,392.16 | $10,827.00 | $10,195.21 | $13,254.00 |
Panel Profits(Bid (Buy Price)) | $22.00 | — | — | $30.40 | — | $69.00 | — | — | — | — | — | — | — |
Panel Profits(Ask (Sell Price)) | $54.99 | — | — | $75.99 | — | $138.00 | — | — | — | — | — | — | — |
Panel Profits(Annual Volume) | — | — | — | — | — | — | — | — | — | — | — | 14 tracked sales | — |
Panel Profits(Realized Listings) | — | — | — | — | — | — | — | — | — | — | — | 14 sold | — |
Highest verified price observed. Non-9.8 books never receive a 9.8 price or synthetic valuation.
ComicBase catalog guide reference valuation. Evaluated independently from newsstand cover prices and certified slabs.
Historical cover price stamped on physical newsstand or direct copies at initial publication.
Panel Profits decodes auction transaction feeds into sovereign econometric market valuations and bid-ask spreads. CGC, CBCS, and PSA never carry RAW prices.