Umbrian Head in Stone, 1, 1979, 9 x 8 x 8 inchesUmbrian Head in Stone, 5, 1980, 8 x 5 ½ x 9 inchesUmbrian Head in Stone, 9, 1984, 12 x 4 ½ x 8 inchesUmbrina Head in Stone, 15, 1988, 12 x 12 ½ x 10 ½ inchesUmbrian Head in Stone, 17, 1989, 15 x 13 x 13 inchesUmbrina Head in Stone, 19, 1990, 6 x 5 inchesUmbrian Head in Stone, 20, 1990, 8 ½ x 6 ¾ inchesUmbrian Head in Stone, 26, 1993, 11 ¾ x 9 ¾ inchesUmbrian Head in Stone, 34, 1996, 15 x 12 ½ inchesUmbrian Head in Stone, 38, 1997, 6 ¾ x 6 ¼ inchesUmbrian Head in Stone, 40, 1998, 7 ½ x 6 ¼ inches