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 #2405359
Price observations belong to this edition. Guide estimates, catalog references and completed sales are separate kinds of evidence.
| Grade | Amount | Evidence | Recorded |
|---|---|---|---|
| 10.0 | $10,008.00 | PANEL_PROFITS · grade_10_0_valueguide | 1956-09-01 |
| 4.0 | $71.91 | PANEL_PROFITS · grade_4_0_valueguide | 1956-09-01 |
| 6.0 | $175.42 | PANEL_PROFITS · grade_6_0_valueguide | 1956-09-01 |
| 8.0 | $423.41 | PANEL_PROFITS · grade_8_0_valueguide | 1956-09-01 |
| 9.2 | $790.12 | PANEL_PROFITS · grade_9_2_valueguide | 1956-09-01 |
| 9.4 | $1,560.00 | PANEL_PROFITS · grade_9_4_valueguide | 1956-09-01 |
| 9.6 | $8,468.00 | PANEL_PROFITS · grade_9_6_valueguide | 1956-09-01 |
| 9.8 | $7,698.49 | PANEL_PROFITS · grade_9_8_valueguide | 1956-09-01 |
| RAW | $32.96 | PANEL_PROFITS · ungraded_valueguide | 1956-09-01 |
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 24 graded copies for Superboy #51 (1956). Population is the number recorded by this grading source, not the total print run or all surviving copies.
The Secret Lives of Superboy
When Ma Kent accidentally drops off a box full of Superboy mementos at the Smallville Community Center, she endangers Superboy's secret identity.
| Appearing1 = **Featured Characters:** * Superboy) * Superbaby) **Supporting Characters:** * Martha Kent) * Lana Lang) **Other Characters:** * Jonathan Kent) **Locations:** * Smallville
| StoryTitle2 = My Super-Pet, Krypto! | Synopsis2 = When Superboy is felled by a Kryptonite meteor, he sends Krypto off to perform tasks in his stead. Later, Krypto figures out a way to free his master, and does so.
| Appearing2 = **Featured Characters:** * Superboy) * Krypto) **Supporting Characters:** * **Antagonists:** * **Other Characters:** * **Locations:** * **Items:** * Green Kryptonite **Vehicles:** *
| StoryTitle3 = The Super-Money of Smallvile | Synopsis3 = To raise $25,000 for Kidland, Superboy has "money" printed up showing what services he will perform for the bearer, for a fee.
| Appearing3 = **Featured Characters:** * Superboy) **Supporting Characters:** * **Antagonists:** * **Other Characters:** * **Locations:** * Smallville **Items:** * **Vehicles:** *
| Notes = | Trivia = | Recommended = | Links =
Creative credits
Writers: Jerry Coleman, Otto Binder, Otto Binder
Interior art: John Sikela, John Sikela, Curt Swan
Source records & attribution
Panel Profits keeps each source identity attached to its edition record.
GCD: 13045
PANEL PROFITS: 2405359