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From the 1957 Topps Isolation Booth series comes Card #34 – “How Accurate is the World’s Most Accurate Clock?” The front illustration shows a man inspecting the intricate inner workings of a massive precision timepiece. On the back, the trivia reveals it as not only the most accurate clock of its era but also the most complicated timing mechanism in the world — with over 14,000 parts and 10 years of construction, set in motion in December 1955. The answer is hidden under red ink and can be revealed with the original decoder (not included). ✨ Details: Year: 1957 Set: Topps Isolation Booth Card #: 34 Subject: World’s most accurate clock (1950s) Condition: Excellent vintage condition – bright colors, sharp corners (see photos) 🔹 Why Collect? A fascinating crossover between science, engineering, and pop culture history. A perfect piece for both horology fans and vintage card collectors. 📦 Shipping: Card will be shipped in a protective sleeve & top loader.