Key Issues
Malicia (Rogue) key numbers: the collector's selection
Avengers Annual #10, Uncanny What to aim for according to your budget.
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CGC & Grading
Comic Grading: Complete CGC, PSA and CBCS Guide (2026)
Comic grading: CGC scale, labels, census, pressing, and the PSA/CBCS upheaval of 2026, clearly explained before submitting a comic.
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Collector's Guide
The Kingpin's crossovers: Gang War, Devil's Reign and the others
Gang War (1987), Acts of Vengeance, Shadowland, Devil's Reign (2021): the Kingpin participates in events as a negotiator. Its tie-ins are under-identified, therefore accessible.
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Collector's Guide
The Cyclops crossovers: participant, issue or cause?
Present in almost every event since 1963 — and that's the problem: the value of an appearance is inversely proportional to its frequency. Only three count.
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Collector's Guide
Carnage crossovers: Maximum Carnage, Absolute Carnage
Maximum Carnage (1993): fourteen episodes over five series. Taken in isolation, none of them are worth anything, combined they form a sought-after whole - the value is in the completeness.
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Collector's Guide
Apocalypse crossovers: Age of Apocalypse (1995)
An event that replaced all mutant series for four months. Its keys are the first appearances of alternative versions: what counts is not the appearance, it is survival.
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Comics History
The Kingpin's universe: Vanessa, Typhoid Mary, Bullseye
Wilson Fisk's entourage and his first appearances: Typhoid Mary (DD #254), Bullseye (DD #131), the Rose (ASM #253). The most profitable indirect keys.
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Comics History
The universe of Jean Grey: Cyclops, Wolverine, the Phoenix, Rachel Summers
An entourage made up of people who experienced her death — which defines them more than what they shared with her. Its indirect keys are therefore after 1980.
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Films & Series
Spider-Man (2003) versus comics: extending a film, not a comic
The series in summary of 2003 vs Amazing Fantasy #15 (1962): the character's first adolescent audience, and the cost of building on another adaptation. Key numbers.
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Films & Series
Smallville versus comics: ten years without a costume
Smallville (2001-2011) vs Superman comics: ten seasons on a ban, neither flight nor costume, and a Lex Luthor friend from his youth. Key numbers.
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Valuation
Cameo or first full appearance: what makes the value
Cameo, first full appearance, first cover, origin: why the market values them differently, how to check the canonical mention and not pay for the wrong key.
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Valuation
Pedigree and provenance: the bonus of famous collections
Pedigree, provenance, premium: what named collections are worth, how provenance is certified, and how to thwart unverified claims.
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