White background without numbers, shaded green bands and red lines from center to outer edge, shaded green with mark 5 printed in area from 415 to 495 ps1g, shaded green with mark 4 printed in area from 735 to 865 psig, single red mark at 950 psi, single black mark at 100 psi on outer edge, single black mark at 1000 psi on outer edge, single black mark at 500 psi on outer edge