Two or more personal representatives
15Where there are two or more personal representatives, a conveyance, mortgage, lease or other disposition of real property devolving under this Act shall not be made without the concurrence therein of all such representatives, or an order of the Court; but where probate is granted to one or some of two or more persons named as executors, whether or not power is reserved to the other or others to prove, any conveyance, mortgage, lease or other disposition of the real property may be made by the proving executor or executors for the time being, and shall be as effectual without an order of the Court, as if all the persons named as executors had concurred therein.