Do you know what is this? Below are actually 1 dollar coin with the geometrical shapes of CONE, PYRAMID, BALL, CYLINDER, CUBE ( the five elements of nature. In this case we therefore have 5 unusual shaped coins of 5 x 1 dollar face value. The producing/issuing country is Somalia.The metal composition: 26,33,34,52 and 66 grams Copper Nickel silverplated. The mintage is only 500 sets.Each element symbolizes an element of nature. Cone=water, pyramid=fire, ball=earth, cylinder=wood and cube=metal.