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From the 1957 Topps Isolation Booth set comes Card #24 – “What Is the World’s Most Precious Gem?” The front artwork depicts an elegant woman eagerly awaiting the reveal of a stunning gem, while the back explains why a certain green beauty surpasses even diamonds in value when in perfect condition. The answer is revealed when viewed with the original red decoder (not included). ✨ Details: Year: 1957 Set: Topps Isolation Booth Card #: 24 Subject: The most valuable gemstone in the world Condition: Excellent vintage condition – crisp edges and vibrant colors (see photos) 🔹 Why Collect? The Isolation Booth series is beloved for its mix of history, science, and fun facts paired with striking mid-century artwork. Gem and treasure-themed cards like this are especially popular with collectors. 📦 Shipping: Card will be shipped in a protective sleeve & top loader.