The mark consists of four octagons in a horizonal line. The left most octagon contains a dot in the center of a circle with a short line extending from the top right; the second contains the shape of two interlocking pentagons, one of which has been rotated 180 degrees; the third contains the roman numeral for 100; and the final contains a triangle with a horizontal brush stroke through the upper third of the shape.
Color is not claimed as a feature of the mark.