Unprofessional Engineering

How Coins Are Minted - Episode 140


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After our smash hit success of an episode, "How Paper Currency Is Made" we figured we should follow it up on how coins are minted. We discuss how coins used to be created using a screw press, the decades that the USA let other countries coins be spent since they couldn't produce enough of their own, and how coins are pumped out today.
We also discuss the most valuable coins around, the mystery of the 1943 penny, and James plays a game with Luke to test his knowledge of mint location marks.
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