Quote from billycgribble on January 13, 2015, 12:03 am

Colorado So Called Dollar which uses the same State Seal Die which is on many listed and unlisted pieces. The motif on the obverse was called "The Silver Serpent" (similar to the Seattle Potlatch Bug) which was the theme of this long running festival which started in 1895. This Festival has many 35mm-40mm pieces usually with intricate mining themes and I will post a few more later. ,