Colorado Revised Statutes Title 13. Courts and Court Procedure § 13-52-107. What moneys may be levied on

All paper currency, coins, bank bills, and other evidence of debt used or circulated or intended to be used or circulated as money and issued by any corporation or state, or by the United States, may be levied upon under any execution or writ of attachment as other personal property is levied upon or attached and shall be returned by the officer making such levy as so much money collected without sale.