UNREAL! I JUST FOUND THE RAREST COIN IN THE SERIES! 100 YEAR OLD MYSTERY COIN AND MORE!

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I HIT THE JACKPOT! AMAZING OLD COINS FOUND IN BOX OF NICKELS (PART 1)

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The Problem In Relativity Einstein Couldn't Fix

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100+ Year Old Coins Found Hunting $654 in Mixed Customer Wrapped Coins

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After 44 Years, Someone Beat the Donkey Kong Kill Screen

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I JUST FOUND THE ELUSIVE "DOUBLE ENDER" COIN ROLL!

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Pre-Egyptian Technology Left By an Advanced Civilization That Disappeared

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Why It Was Almost Impossible to Make the Blue LED

40:51