Price history & market evidence
PriceCharting guide history
Dated guide estimates for this edition, separate from completed sales.
1 dated observation—one point does not establish a trend. Last recorded 2026-10-06. Source record #2424557
Price observations belong to this edition. Guide estimates, catalog references and completed sales are separate kinds of evidence.
| Grade | Amount | Evidence | Recorded |
|---|---|---|---|
| 4.0 | $23.62 | PANEL_PROFITS · grade_4_0_valueguide | 1964-06-01 |
| 6.0 | $55.96 | PANEL_PROFITS · grade_6_0_valueguide | 1964-06-01 |
| 8.0 | $163.00 | PANEL_PROFITS · grade_8_0_valueguide | 1964-06-01 |
| 9.2 | $1,569.41 | PANEL_PROFITS · grade_9_2_valueguide | 1964-06-01 |
| 9.4 | $146.82 | PANEL_PROFITS · grade_9_4_valueguide | 1964-06-01 |
| 9.6 | $1,726.00 | PANEL_PROFITS · grade_9_6_valueguide | 1964-06-01 |
| 9.8 | $116.51 | PANEL_PROFITS · grade_9_8_valueguide | 1964-06-01 |
| RAW | $13.04 | PANEL_PROFITS · ungraded_valueguide | 1964-06-01 |
| 10.0 | $2,040.00 | PANEL_PROFITS · grade_10_0_valueguide | 1964-06-01 |
| 9.6 | $47.00 | ComicBase · catalog referencecatalog | Date not recorded |
Reading this edition’s market
Compare the same cover, printing and grade before setting a bid. A raw guide or a higher-grade price does not establish a slab’s value. Include selling fees, shipping and the depth of completed-sale evidence when assessing an exit price.
The table includes 9 guide observations and 1 catalog references. These are reference values, not guaranteed sale proceeds.
Graded population
CGC records 43 graded copies for Challengers of the Unknown #38 (1964). Population is the number recorded by this grading source, not the total print run or all surviving copies.
The Menace the Challengers Made
| StoryTitle2 = Time-Bomb on Holdout Island
Creative credits
Writers: Arnold Drake, Ed Herron
Interior art: Bob Brown, Bob Brown
Source records & attribution
Panel Profits keeps each source identity attached to its edition record.
COMICBASE: comicbase:224134
GCD: 18418
PANEL PROFITS: 2424557