US Innovation Dollar "Mississippi" 2023 D
• The 20th issue in the series of dollar coins dedicated to American inventors and innovations: the American Innovation $1 Coins. Four issues are published each year.
• The theme is the first successful lung transplant, in 1963.
• The surgery took place at the University Medical Center in Jackson, Mississippi.
• The coin is minted by the Denver Mint, mintmark D (in edge lettering).