1 dollar - Delaware - The System for Slassifying the Stars - Annie Jump Cannon
Series: USA - American Innovation 1 Dollar Coins
![Image of 1 dollar coin - Delaware - The System for Slassifying the Stars - Annie Jump Cannon | USA 2019. The Nordic gold (CuZnAl) coin is of Proof, BU, UNC quality. Image of 1 dollar coin - Delaware - The System for Slassifying the Stars - Annie Jump Cannon | USA 2019. The Nordic gold (CuZnAl) coin is of Proof, BU, UNC quality.](/images/USA/5975-v.jpg)
The Delaware $1 Coin recognizes astronomer Annie Jump Cannon who developed a system for classifying the stars that is still used today. This design features a silhouette of Ms. Cannon against the night sky, with a number of stars visible. The inscriptions are “UNITED STATES OF AMERICA,” “ANNIE JUMP CANNON,” “CLASSIFYING THE STARS,” and “DELAWARE.”