Colorless soda-lime glass; cast in a bronze mold, removed while still molten, manipulated. Five small solid skulls cast from the same mold, then altered into varying degrees of distortion; example closest to unaltered casting is (c) depicts front of skull with eye and nose sockets, teeth and jaw, back of head is flat; (a) side of head flattened; (b) head turned on side, back extended and flattened; (d) both sides of head extended; (e) right side of head pulled up, then extended; overall mold marks; unsigned.