Bonds and other state securities issued hereunder shall be executed in the name of the State, shall be signed by the Governor, shall be countersigned by the Chair of the Commission (unless he or she is also the Governor), by the Controller and by the Treasurer, and shall be attested by the Secretary; and the bonds or other securities shall be authenticated by the great seal of the State of Nevada affixed thereto. Any coupons shall be signed by the Treasurer. Facsimile signatures may be used on any coupons.