The mark consists of a pair of spaced apart semicircular arcs, an upper arc and a lower arc, the arcs are in mirror image to each other; three parallel, spaced apart bars are located within the space between the arcs; the bars vary in height in equal segments as the bars move from left to right; three line segments of relative equal length are superimposed over the bars, each line segment has a dot at either end; the line segments are arranged in a zig-zag pattern with the left line slope being positive, the middle line slope being negative and the right line segment slope being positive and being higher than the end of the first line segment; the lower arc having a vertical line extending downwardly from the midpoint of the arc, the downwardly extending vertical line ending and being intercepted by a horizontal line of about half the width of the lower arc; the design being centered over the words PICK 'EM which is centered over the word PRO.