The council may annually levy a real estate and personal property tax on the property located within the corporate limits of said town and may appoint annually an assessor to assess the real estate and personal property within said town and said assessor may impose a greater or less valuation than that made by the State or county. If no assessor is appointed, the assessment made by the commissioner of revenue of the county of Campbell may be used to determine the value of real estate and personal property located within the corporate limits of said town.