HM US Innov. Dollar Connecticut 2020 D

• 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).