The reverse side of Idaho’s quarter features the Peregrine Falcon imposing its presence above an outline of the State of Idaho. The coin bears the inscriptions Esto Perpetua the State motto which means, May it be Forever, Idaho and 1890.
The Peregrine Falcon is one of the fastest birds in the world. Once on the endangered species list, it can now be found throughout Idaho and the United States because of conservation efforts. Five narratives were forwarded to the United States Mint, and they were rendered by United States Mint sculptor-engravers and artists in the United States Mint’s Artistic Infusion Program. The corresponding design images were presented to Idaho, and then-Governor Dirk Kempthorne made the recommendation. Governor Kempthorne stated that the recommended design, the Peregrine Falcon, reflected Idahoans’ traditional values and esteem for nature. This design was derived from one of many narratives submitted by Idaho residents to the Idaho Commission on the Arts.