The American Innovation $1 Coin representing Delaware commemorates internationally recognized astronomer Annie Jump Cannon, who invented a system for classifying the stars still used today. Despite a hearing impairment, she advanced her education, gained recognition as a pioneer in science, and became the first woman to receive an honorary doctorate from Oxford University.
- Reverse proof coin featuring an inverted, frosted proof finish.
- Minted at the U.S. Mint at San Francisco
