The American Innovation $1 Coin Proof Set™ features four stunning coins with sharp relief and a mirror-like background with frosted foregrounds, giving them a special cameo effect with reverse (tails) designs emblematic of the following State’s innovation or innovators:
- Ohio — Underground Railroad
- Louisiana — Higgins Boat
- Indiana — Automotive Industry
- Mississippi — First Human Lung Transplant
Minted at the U.S. Mint at San Francisco.
Accompanied by a certificate of authenticity.