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 #2335382
Price observations belong to this edition. Guide estimates, catalog references and completed sales are separate kinds of evidence.
| Grade | Amount | Evidence | Recorded |
|---|---|---|---|
| 10.0 | $1,079.00 | PANEL_PROFITS · grade_10_0_valueguide | 1968-08-01 |
| 4.0 | $8.21 | PANEL_PROFITS · grade_4_0_valueguide | 1968-08-01 |
| 6.0 | $64.52 | PANEL_PROFITS · grade_6_0_valueguide | 1968-08-01 |
| 8.0 | $77.00 | PANEL_PROFITS · grade_8_0_valueguide | 1968-08-01 |
| 9.2 | $77.01 | PANEL_PROFITS · grade_9_2_valueguide | 1968-08-01 |
| 9.4 | $113.91 | PANEL_PROFITS · grade_9_4_valueguide | 1968-08-01 |
| 9.6 | $913.00 | PANEL_PROFITS · grade_9_6_valueguide | 1968-08-01 |
| 9.8 | $829.67 | PANEL_PROFITS · grade_9_8_valueguide | 1968-08-01 |
| RAW | $5.38 | PANEL_PROFITS · ungraded_valueguide | 1968-08-01 |
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 0 catalog references. These are reference values, not guaranteed sale proceeds.
Graded population
CGC records 72 graded copies for Superman #209 (1968). Population is the number recorded by this grading source, not the total print run or all surviving copies.
The Clark Kent Monster!
An alien brain-creature battles Superman and is initially defeated by him, but steals some of the Man of Steel's brain cells, uses them to clone a Clark Kent body for itself, and proves to be more than the hero can handle.
| Appearing1 = **Featured Characters:** * Superman) **Supporting Characters:** * Jimmy Olsen) * Lois Lane) * Perry White) **Antagonists:** * An unnamed alien brain creature * The Marauder Mob **Other Characters:** * **Locations:** * Metropolis **Items:** * **Vehicles:** * Alien Spacecraft
| Notes = | Trivia = | Recommended = | Links =
Creative credits
Writers: Cary Bates
Interior art: Curt Swan
Source records & attribution
Panel Profits keeps each source identity attached to its edition record.
GCD: 22074
PANEL PROFITS: 2335382