Oregon constitution
Article XI: corporations and internal improvements
Section 1

The Legislative Assembly shall not have the power to establish, or incorporate any bank or banking company, or monied [sic] institution whatever; nor shall any bank company, or instition [sic] exist in the State, with the privilege of making, issuing, or putting in circulation, any bill, check, certificate, prommisory [sic] note, or other paper, or the paper of any bank company, or person, to circulate as money.