These are the famous three dollars authorized by the Sioux Nation and legal tender in its American Reserves, struck in High Relief and dedicated to the great figures and symbols of the Indian Nation. Each value is hugely successful in America so don't wait any longer to book before a probable increase. Characteristics of the Dollars: Silver 999ä, weight 31.10 g, _ 38.60 mm, thickness 7.50 mm with certificate, circulation 2,500 copies, authorized by the Sioux Oglala Lakota nation, with certificate.