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From ruby slippers to Pokémon cards — the most expensive pop culture collectibles ever sold, updated for 2026. Record-breaking memorabilia that rewrote the hobby.
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How do you organize a massive sports card collection? Serious collector Max Martin discusses his journey from a childhood "Wall of Fame" Mickey Mantle to cataloging over 130k items. Learn his strategies for using the Collectibles.com app, his take on the "White Whale" hunt, and why sentimental value beats market price every time in the modern hobby.