C.R.S. § 11-55-105

Any person who with intent to defraud uses on a public security or an instrument of payment: A facsimile signature, or any reproduction of it, of any authorized officer; or any facsimile seal, or any reproduction of it, of this state or any of its departments, agencies, institutions, or other instrumentalities, or of any of its political subdivisions, commits a class 6 felony and shall be punished as provided in section 18-1.3-401 , C.R.S.