The mark consists of a design of the Vitruvian Man where the two right legs and two left arms appear as bones only; the figure also has two additional left arms appearing as bones as well; the figure appears inside of a circle design that is partially solid and partially made of broken lines; the four left arms are inside of a partial circle-like design that is partially superimposed over the full circle; to the right of this figure is a design of the same figure in profile, but with only two arms and two legs, all shown as bones; the arms are inside of a partial circle-like design and the legs are inside of a separate partial circle design; the letters "RP" appear above both figures as well as outside of the outstretched legs of both figures; the letters "SP & GP" appear beneath both figures; the letters "GP" appear twice outside the outstretched arms of both figures and near the lower foot of both figures; the letters "SP" appear near the lowered arm of the figure on the left; the numbers 1-4, as both positive and negative integers, appear several times along the interior of the circle design and the partial circle-like designs.