COMPLETE WRITTEN INSTRUMENT
instrument" means a written instrument which purports to be a genuine written instrument
fully drawn with respect to every essential feature thereof. An
endorsement, attestation, acknowledgment or other similar signature or
statement is deemed both a complete written instrument in itself and a
part of the main instrument in which it is contained or to which it
General Statutes § 53a-137 (2) (applies to Part X: Forgery and Related
Offenses, §§ 53a-138 -- 53a-145).