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Independent · Challengers of the Unknown · #3 · Silver Age · ID-2424548
Stored prices by grade and source, exactly as recorded. A source with no price for a grade shows a dash.
Your cost basis next to the stored PriceCharting price for the grade you hold
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 #3 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
Marvin Stein
typeset
| Grade | Panel Profits |
|---|---|
| 10.0 | $72,825.00 |
| 9.8 | $56,019.07 |
| 9.2 | $7,576.36 |
| 8.0 | $3,155.03 |
| 7.0 | $825.00 |
| 6.0 | $791.00 |
| 5.0 | $268.00 |
| 4.0 | $366.00 |
| 3.0 | $298.00 |
| 2.0 | $136.45 |
| Raw | $169.99 |
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 | $522.00 | $870.00 | 40.0% | Khamsin Custodial |
| 4.0 | $201.50 | $403.00 | 50.0% | Khamsin Custodial |
| Raw | $93.50 | $187.00 | 50.0% | 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.
When a museum is robbed of a mystic mirror, the crooks use its magic powers to learn the location of the ancient's most potent secret. Recapturing the mirror, the Challengers use it to find the location of each of the hidden parts of a mysterious mystical device. Each time the Challengers are confronted by men from the Mycroft mob and mystical defenses put in place to defend the items. When Mycroft and his men gather all the parts they attempt to use its power against the Challengers, however they fail to realize one of the parts was stolen by Red, and the Challengers defeat the crooks with ease.
Valuation parity across physical collectible manifestations for Challengers of the Unknown #3.
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 2424548. 1 dated nightly snapshot on file for this book.
Prof joins the Atoms to investigate an anomaly located on Dinosaur Island, where they encounter Anthro and Embra and a being called the Optimum who gives Prof a glimpse of his future. Meanwhile, the rest of the Challengers are suspicious of what the Justice League is hiding from them, while Mr. Terrific continues to remain suspicious of the Challengers.
A mirror and chart have been stolen from a museum by Hillary Mycroft and his gang. The mirror was fashioned by Kregon the Sorcerer to show where "the ancients" hid their most potent secrets. The chart shows where the secrets are hidden. The Challengers break into Mycroft's hideout but he escapes in a plane. The mirror reveals three destinations: the sea bottom, a stone needle, and Sinbad's Island. The team split up and face an array of threats. Mycroft finally acquires the globes that, when assembled will summon a genie but Red secretly extracted a rod causing the globes destruction.
A patron plays a radio in a library.
Summoned to a lab, the Challs observe a monkey with super abilities. It was given a pill derived from a meteorite, then boosted into space. Rocky is chosen to take the pill and rockets into space unaware the monkey has lapsed into a coma. The rocket crashes and Rocky emerges with super powers, including freeze rays, super strength, and invisibility, but he becomes irrational. A crook takes Rocky in hoping to use him to rob banks. Rocky's decency wins out and when the Challengers and June appear Rocky shocks the crooks. Grazed by a bullet Rocky recovers his memory and his powers wear off.
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) | $169.99 | — | $298.00 | $366.00 | $268.00 | $791.00 | $825.00 | $3,155.03 | — | $7,576.36 | $32,448.00 | $56,019.07 | $72,825.00 |
Panel Profits(Bid (Buy Price)) | $93.50 | — | — | $201.50 | — | $522.00 | — | — | — | — | — | — | — |
Panel Profits(Ask (Sell Price)) | $187.00 | — | — | $403.00 | — | $870.00 | — | — | — | — | — | — | — |
Panel Profits(Annual Volume) | — | — | — | — | — | — | — | — | — | — | — | 24 tracked sales | — |
Panel Profits(Realized Listings) | — | — | — | — | — | — | — | — | — | — | — | 24 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.