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DC·Action Comics·#261·Silver Age·ID-2313639
| Grade | Census & Float Distribution | Copies / Slabs | Role | FMV | Total Value | Sales | Implied Turnover | Multiple |
|---|---|---|---|---|---|---|---|---|
| 9.8 | 0 slabs | 0 | — | — | — | — | — | |
| 9.6 | 0 slabs | 0 | — | — | — | — | — | |
| 9.4 | 0 slabs | 0 | — | — | — | — | — | |
| 9.2 | 1 of 87 slabs (1.1%) | 1 | SOV | $1,503.07 | $1,503 | 1 | $1,503.07 | (26.0x) |
| 9.0 | 0 slabs | 0 | — | — | — | — | — | |
| 4.0 | 12 of 87 slabs (13.8%) | 12 | ANC | $170.00 | $2,040 | 12 | $2,040.00 | (2.9x) |
| RAW | ~25 surviving raw (of ~340,000 printed) | 25 | RAW | $57.75 | $1,444 | — | — | (1.0x Base) |
Empirical cash settlement intelligence, cross-grade elasticity curve, and secondary liquidation velocity.
Empirical step multipliers between adjacent condition tiers. Pinpoints the exponential premium transition and capital efficiency frontier.
Realized turnover cadence and capital absorption depth across certified auction comps.
Autonomous institutional strategies, financial equilibrium, scarcity modeling, and algorithmic risk profiling.
Market operates purely on organic buyer and seller auction discovery. Zero artificial price interventions or emergency liquidity halts on record.
Verified historical transaction line with quarterly equilibrium baseline anchor.
Understand how physical sales, invested dollars, and liquidity friction divide across grades.
Completed market sales by grade
Relative market value allocation
Estimated execution friction
Bibliographic provenance, creator credits, historical significance, and multimedia documentation.
Jerry Siegel
?; (photos)
?; (photos)
Mort Weisinger
Home of Superman, Batman, Wonder Woman, and the Justice League.
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.
Inspectable mathematical proof, blockchain/ledger provenance, data integrity validation, and asset taxonomy.
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.
Superman temporarily moves his Fortress of Solitude from the Arctic to the outskirts of Metropolis to conduct tours through it for charity, but the Anti-Superman Gang plots to blow it to pieces.
Strict algorithmic segregation separating clean single-issue Cover A sales from multi-issue lot bundles, retailer exclusives, and foreign variants.
Superman brings his Fortress to Metropolis so people can visit, and the Anti-Superman gang seizes upon this chance to plant a bomb in it.
Congo Bill is asked to the dedication of a electrical power dam, where an attempt is made on his life. He avoids a deadly shock but accidentally rubs his magic ring and switches minds with the golden ape. Congorilla has to protect the people from Congo Bill running amok while trying to keep his body safe from the assassins.
Supergirl recovers a small Kryptonite meteor and unsuccessfully tries to find a chemical way to render it harmless. Later, Linda saves a stray orange cat from a dog. The cat follows her to the orphanage where Linda is given permission to keep him. Because of the white markings on his side, she calls him Streaky. Streaky discovers the piece of discarded Kryptonite, and receives super-powers from it. Streaky feeds some stray cats by tipping over a milk truck and chases off a bullying dog. Eventually his "meows" attract Supergirl and the two have some super-fun before Streaky's powers fade away.
“| Speaker =”
— | StoryTitle1 = Superman: "Superman's Fortress of Solitude
Superman temporarily moves his Fortress of Solitude from the Arctic to the outskirts of Metropolis to conduct tours through it for charity, but the Anti-Superman Gang plots to blow it to pieces.
Superman's Fortress of Solitude is reprinted in Superman Vol 1 187 and Showcase Presents: Superman Vol. 2 (Collected). Congorilla's Last Stand is reprinted in World's Finest Vol 1 151. Supergirl's Super-Pet is reprinted in Action Comics Vol 1 334 The Supergirl Archives Vol. 1 (Collected) Showcase Presents: Supergirl Vol. 1 (Collected) DC Finest: Supergirl: The Girl of Steel (Collected) * Tails of the Super-Pets (Collected) Final Congo Bill vignette for this series. Congo Bill appears next in Adventure Comics Vol 1 270.