""Number plate'' shall mean the sign or marker furnished by the director, on which is displayed the registration number or mark of a vehicle assigned thereto by the director, which shall bear on the face thereof a permanent or changeable designation of the effective period.
""Number plate'' shall mean the sign or marker furnished by the director, on which is displayed the registration number or mark of a vehicle assigned thereto by the director, which shall bear on the face thereof a permanent or changeable designation of the effective period.
""Number plate'' shall mean the sign or marker furnished by the director, on which is displayed the registration number or mark of a vehicle assigned thereto by the director, which shall bear on the face thereof a permanent or changeable designation of the effective period.