The U.S. Mint's bicentennial commemorative quarter for Colorado features the Rocky mountains, pine trees, and one of the state's nicknames; "Colorful Colorado." Colorado became the 38th state in 1876. Public domain image on Wikipedia.
Nicknames for the State of Colorado
Colorado is nicknamed "The Centennial State" because it became the 38th state of the United States in 1876 (one hundred years after the signing of the Declaration of Independence). All State Nicknames
Colorful Colorado
Another well- known nickname is "Colorful Colorado" because of the state's magnificent scenery of mountains, rivers and plains.