Rank Badge with Design of Mountains, Waves and Bats

Black and white image of a rectangular textile with symmetrical design. The textile is divided vertically down the middle. It has a thick white border around it, with black circles at top, bottom and middle. The textile has a Greek key design border. Inside the border, the textile shows a maze-like background. At bottom of the textile, there are stylized waves, with four bats flying above. The image shows the textile by an unknown artist titled "Rank Badge with Design of Mountains, Waves and Bats".