Price history & market evidence
PriceCharting guide history
Dated guide estimates for this edition, separate from completed sales.
2 dated observations. Last recorded 2026-11-01. Source record #2426857
Price observations belong to this edition. Guide estimates, catalog references and completed sales are separate kinds of evidence.
| Grade | Amount | Evidence | Recorded |
|---|---|---|---|
| 8.0 | $336.00 | PANEL_PROFITS · grade_8_0_valueguide | 1957-09-01 |
| 9.2 | $437.00 | PANEL_PROFITS · grade_9_2_valueguide | 1957-09-01 |
| RAW | $51.94 | PANEL_PROFITS · ungraded_valueguide | 1957-09-01 |
| 9.2 | $170.00 | 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 3 guide observations and 1 catalog references. These are reference values, not guaranteed sale proceeds.
Graded population
CGC records 20 graded copies for Tales of the Unexpected #17 (1957). Population is the number recorded by this grading source, not the total print run or all surviving copies.
Who Is Mr Ashtar?
| StoryTitle2 = Beware the Thinking Cap | Synopsis2 =
| StoryTitle3 = The Bullet Man | Synopsis3 =
| StoryTitle4 = The Impossible Voyage | Synopsis4 =
| Appearing1 = **Featured Characters:** * **Supporting Characters:** * **Antagonists:** * **Other Characters:** * **Locations:** * **Items:** * **Vehicles:** *
| Appearing2 = **Featured Characters:** * **Supporting Characters:** * **Antagonists:** * **Other Characters:** * Hannibal) * King Arthur) * Leonardo da Vinci) **Locations:** * **Items:** * Thinking Cap **Vehicles:** *
| Appearing3 = **Characters:** * Chick Duant * Paul Vickery **Locations:** * Honolulu * Broadway * Great Sphinx of Giza **Items:** * **Vehicles:** *
| Appearing4 = **Characters:** * Jovians **Locations:** * Mars (planet)) * Venus (planet)) * Earth's Moon **Items:** * **Vehicles:** * Jovian spaceship
| Notes = | Trivia = | Recommended = | Links =
Creative credits
Interior art: Jack Kirby, Will Ely, Bernard Baily
Source records & attribution
Panel Profits keeps each source identity attached to its edition record.
COMICBASE: comicbase:1071466
GCD: 13787
PANEL PROFITS: 2426857