A person is guilty of forgery in the second degree when, with intent to defraud, deceive or injure another, he falsely makes, completes or alters a written instrument which is or purports to be, or which is calculated to become or to represent if completed: 1. A deed, will, codicil, contract, assignment, commercial instrument, credit card, as that term is defined in subdivision seven of section 155.00, or other instrument which does or may evidence, create, transfer, terminate or otherwise affect