A person is guilty of criminal impersonation in the second degree when he: 1. Impersonates another and does an act in such assumed character with intent to obtain a benefit or to injure or defraud another; or 2. Pretends to be a representative of some person or organization and does an act in such pretended capacity with intent to obtain a benefit or to injure or defraud another; or 3. (a) Pretends to be a public servant, or wears or displays without authority any uniform, badge, insignia or facsimile