Conn. Gen. Stat. § 53a-138
(a) A person is guilty of forgery in the first degree when, with intent to defraud, deceive or injure another, he falsely makes, completes or alters a written instrument or issues or possesses any written instrument which he knows to be forged, which is or purports to be, or which is calculated to become or represent if completed:
(1969, P.A. 828, S. 140; P.A. 76-292, S. 1.)
History: P.A. 76-292 made first degree forgery a Class C, rather than a Class D, felony.