For your consideration, one of many 12-sided copper and bronze-alloyed objects unearthed in Europe and attendant islands. They are of Roman origin, around 200 AD and earlier:
"The dodecahedron is the shape used for embroidering the constellations of heaven." --Plato (circa 400 BC).
Whether it was an early form of dice in crapgames or sacred object really makes little difference. These objects of astonishing antiquity have been found all over western Europe and, for me, compose a...