The mark consists of the white "@" (meaning "at") symbol centered within a circle composed of irregular brown, orange and yellow irregular ellipses partially overlying the "@"; said circle rimmed by narrow concentric black, blue and white circles; said circle being centered above and overlapping the upper portion of the black letters "NC" in the black word "DUNCAN"; said circle having a blue and white jagged 3-lobed wing extending horizontally from each side of the lower portion of said circle; with blue clouds rimmed with white open ellipses and extending horizontally above and along the entire upper length of said wings and said circle; and with blue clouds rimmed with white open ellipses and overlapping the lower lobe of the left wing and underlying the letters black letters "DU" in the black word "DUNCAN", and blue clouds rimmed with white open ellipses underlying and overlapping the black letters "AN" in the black word "DUNCAN".