Heinz Mack Untitled, 2012 Marble (Bianco Carrara, Italy), Lava Basalt (Eiffel, Germany) Signed, dated "mack 12" (sideways on sculpture) 151 x 95 x 50 cm, 59 2/5 x 37 2/5 x 19 5/8 in 36 x 100 x 50 cm, 14 9/5 x 39 3/8, 19 5/8 in (basalt pedestal)