Mich. Comp. Laws § 767.50: Indictment; description of instrument.

Sec. 50.

Whenever in an indictment an allegation relative to any instrument which consists wholly or in part of writing or figures, pictures or designs, is necessary, it is sufficient to describe such instrument by any name or description by which it is usually known or by its purport without setting forth a copy or facsimile of the whole or any part thereof.