Features the Gemini Giant, located just outside Chicago, Illinois, peeking over Route 66 as it extends into the distance. `Illinois` and `Gemini Giant` are shown above the image.
Obverse lettering
ILLINOIS
GEMINI GIANT
Obverse script
Latin
Reverse description
Details on weight and purity and `Route 66,` coin series title.
Reverse lettering
ROUTE
66
1 TROY OUNCE .999 FINE SILVER
SMI
Reverse script
Latin
Mint
SMI Sunshine Minting, Coeur d`Alene,Idaho, United States (1979-date)