Minnesota Statutes § 634.02 - EVIDENCE; BANK NOTES

In prosecutions for forging or counterfeiting any notes or bills of a banking company or corporation, or for uttering, publishing, or tendering in payment as true any such forged or counterfeit bills or notes, or for being possessed thereof with the intent to utter and pass them as true, the testimony of any person acquainted with the signature of the president or cashier of such bank, or who has knowledge of the difference in appearance of the true and counterfeit bills or notes thereof shall be competent to prove that any such bill or note is counterfeit, without calling such president or cashier.