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A group of stray finds, prehistoric and medieval, deriving from the area near Grabowiec in eastern Poland, includes a remarkable 117 mm long object (Fig. 1) fashioned from the long bone of a mammal by sawing off its epiphyses, hollowing out the shaft and drilling in one of its ends three openings arranged in a triangle. The surface of this object, on one of its faces only, is covered with a finely...
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