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Independent · Challengers of the Unknown · #7 · Silver Age · ID-2424592
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 #7 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.
Ed Herron
Jack Kirby
Wally Wood
typeset
Jack Schiff
| Grade | Panel Profits |
|---|---|
| 10.0 | $11,055.00 |
| 9.8 | $8,503.88 |
| 9.2 | $1,172.07 |
| 9.0 | $657.25 |
| 8.0 | $496.26 |
| 7.0 | $200.00 |
| 6.0 | $186.00 |
| 5.0 | $70.15 |
| 4.0 | $84.50 |
| 3.0 | $40.25 |
| 2.0 | $32.00 |
| Raw | $38.44 |
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)
| Grade | Dealer buy | Retail sell | Gap |
|---|---|---|---|
| 6.0 | $102.50 | $205.00 | 50.0% |
| 4.0 | $37.20 | $92.99 | 60.0% |
| Raw | $16.80 | $41.99 | 60.0% |
Multi-tier analytical consensus distinguishing public truth, firm posture, desk urgency, and personal exposure
Institutional-grade core holding providing high liquidity and stability.
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.
An explorer calls on the Challengers to help him subdue three alien creatures: a giant armadillo-like creature, a giant jelly-fish, and a giant fire-breathing bird. Using their various skills and tools at their disposal, the Challengers manage to capture each one. After all three creatures are captured, aliens from Pluto arrive, and apologize for the creatures being set loose on Earth, and thank the Challengers for recapturing the monsters for them, before leaving Earth.
Valuation parity across physical collectible manifestations for Challengers of the Unknown #7.
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.
Foreign editions (licensed through Panini, Urban Comics, Editorial Novaro, Novedades, Otto Simon, etc.) represent physical tradeable instruments in international secondary markets. Geographic scarcity and currency differentials drive global cross-border arbitrage.
Superman Presents Wonder Comic Monthly #31
Special black & white noir printings, facsimile editions, and anthology collections licensed or published domestically.
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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 2424592. 1 dated nightly snapshot on file for this book.
Super Heroes Album #13
Titanes Planetarios #96
Titanes Planetarios #96
Titanes Planetarios #96
Titanes Planetarios #96
Challengers of the Unknown #2
Challengers of the Unknown #2
Challengers of the Unknown #2
Challengers of the Unknown #2
Ace, Red, and Rocky meet at the graves of Prof and June as Harold Moffett explains Duncan Pramble blew up Challenger Mountain. The guys obtain gear from a warehouse of theirs and fly for Challenger Mountain, but Ace is possessed by demons. They bail out as the aircar hits the mountain and climb to see the ruins. The locals have gone nuts, worshipping at an altar, but are chased off. Ace thinks there is a tear in reality and the Challengers get sucked to a farm where they ring a farmhouse door and Prof and June welcome them. The farm is in a fishbowl with the demon N'Zrath looming over them.
Alerted by a friend to the discovery of a crashed spaceship, the Challengers investigate and find three alien creatures that had been held captive in that ship. The Challengers see if they have enough borrowed time to get the creatures back in their cages.
Advocating tolerance for others different than yourself.
After hearing a television report about a burglar with the ability to walk through walls, the Challengers patrol the city with honorary member June Robbins accompanying them. They arrive too late to stop another robbery but pursue the thief, Anton Zammer, to his hideout, an abandoned laboratory owned by the late Prof. Macon, who left behind a number of inventions Zammer intends to use for his own gain. Zammer uses a shrinking ray to capture and cage the Challs, but June escapes the same fate, assisting the team in returning to their normal size and capturing Zammer.
A bear enjoys his Tootsie Roll Fudge candy while flying his ship in outer space.
“| Speaker =”
— | Editor1_1 = Jack Schiff
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) | $38.44 | — | $40.25 | $84.50 | $70.15 | $186.00 | $200.00 | $496.26 | $657.25 | $1,172.07 | $9,153.00 | $8,503.88 | $11,055.00 |
Panel Profits(Bid (Buy Price)) | $16.80 | — | — | $37.20 | — | $102.50 | — | — | — | — | — | — | — |
Panel Profits(Ask (Sell Price)) | $41.99 | — | — | $92.99 | — | $205.00 | — | — | — | — | — | — | — |
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.