The mark consists of a tall dark shaded vertical bar with a small curved portion missing in the middle of the right side, within which a second lightly shaded curved bar sits. A small dark shaded semicircle sits in the center of the lightly shaded curved bar. To the right of the semicircle is a small dark shaded vertical bar. To the right of the small dark shaded bar is a long dark shaded bar that curves upward and extends to the left over the vertical bars, lightly shaded curved bar and semicircle. To the right of the large dark shaded curved bar is a small dark shaded vertical bar, the bottom of which slightly runs into the long dark shaded curved bar.