The commissions of the following officers shall have annexed thereto the great seal of the state, and shall be signed by the Governor and countersigned by the Secretary of State, namely: senators and representatives in Congress; Justices of the Supreme Court; Judges of the Court of Appeals, superior courts, and juvenile courts; the Attorney General; district attorneys; reporters of the Supreme Court and Court of Appeals; the Secretary of State; the Commissioner of Insurance; and all military officers of the grade of general. The commissions of all federal and judicial officers enumerated above shall be on parchment.