The United States Mint American Innovation $1 Coin Program is a multi-year series featuring distinctive reverse (tails) designs that pay homage to America’s ingenuity and celebrate the pioneering efforts of individuals or groups from each of the 50 States, District of Columbia, and U.S. territories.
2023 $1 coin reverse designs are:
The Ohio $1 Coin represents the support and strength required by both parties on the "Underground Railroad".
The Louisiana $1 Coin depicts a Higgins Boat as it would have been deployed during World War II with its innovative landing ramp open against a beach.
The Indiana $1 Coin depicts a series of vehicles that showcase Indiana innovations from yesterday and today.
The Mississippi $1 Coin commemorates the first lung transplant surgery.
The coins in the set are "reverse proofs" - mirror-polished designs on frosted background. They were struck by the San Francisco Mint and carry its S mint mark, and are only available in this variety through this set. | 
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