The Comic Book Collector's Blog

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Practical guides, expert advice and resources to manage, value and grow your comic book collection.

1000+ articles published ยท 5 categories ยท New content every week
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Key Issues

Justice League: The Key Comics to Know (2026 Guide)

Discover the key Justice League comics: Brave and the Bold #28, JLA #1, Crisis on Infinite Earths #1 and their real market value.

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Comics History

TMNT Comics History: Mirage, Archie, Image, IDW

History of TMNT comics from 1984 to 2024: Mirage Studios, Archie, Image, IDW. Prints, publishers, key issues and markers for collectors.

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Collector's Guide

Flea Markets and Comics: Finding the Good Deals

How to spot a rare comic at flea markets, avoid misleading reissues and estimate its value: practical guide for bargain hunters and collectors.

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Collector's Guide

Missing Comics: Complete Guide to Finding Every Issue

Comics missing from your collection? Complete method to identify, prioritize and find each number: census, tools, search channels.

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Collector's Guide

Exporting Your Comic Collection: Complete Guide 2026

Complete guide to exporting your comic collection: CSV/PDF formats, essential data to include, insurance and verification of CGC certifications.

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Valuation

Misprints comics: which errors have value

Double cover, miswrap, inking error, blank or recalled print: which printing errors become valuable and how to authenticate them.

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Films & Series

Ultimate Avengers (2006) versus Mark Millar's comics

Ultimate Avengers (2006) vs The Ultimates (2002): adapt the plan that cinema was going to follow, by removing its cynicism. Key numbers to collect.

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Films & Series

The Tick versus Ben Edlund's comics

The Tick (1994) vs the comic by Ben Edlund (New England Comics, 1988): a micro-publishing key, the real rarity. Complete comparison.

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Key Issues

Jungle Action Key Issues: Killmonger and Panther's Rage

Jungle Action key issues: 1st appearance of Killmonger (#6), death of Panther's Rage (#17), Panther vs the Klan (#19). Complete guide and real rating.

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Collector's Guide

Estimating Your Comics' Value Before Selling

Before selling your comics, learn to estimate their real value: edition/run, CGC condition, rarity census and impact of film adaptations on the price.

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Collector's Guide

Comic Lots on eBay: Hidden Trap or Good Deal?

Comic book lots on eBay: how to spot real opportunities, avoid pitfalls (counterfeits, reholder scam) and estimate a lot before bidding.

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Collector's Guide

How to Grade Your Comics: Complete Grading Guide

How to evaluate your comics step by step: scale 0.5-10.0, CGC/CBCS criteria, restoration, labels and practical purchasing advice.

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