As applied to notes, bonds, and other written instruments, this termmeans that they are truly what they purport to be, and that they are not false, forged,fictitious, simulated, spurious, or counterfeit. Baldwin v. Van Deusen, 37 N. Y. 492;Smelt- zer v. White, 92 U. S. 392, 23 L. Ed. 508; Dow v. Spenny, 29 Mo. 390; Cox v.Northwestern Stage Co., 1 Idaho, 379.