US Innovation Dollar "Connecticut" 2020 D
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• Fifth issue of the dollar coin series dedicated to American inventors and inventions: the American Innovation $ 1 Coins. Four issues are published each year.
• The coin is dedicated to the inventor Joseph Gerber from the state of Connecticut.
• Gerber is known for its Gerber Variable Scale, a triangular slide rule.
• The coin is struck by the Denver mint, mintmark D (in edge lettering).