SPHÈRES 2010 - Richard Deacon, 'Infinity #31', 2006, Stainless steel with mild steel base, 162 x 273 x 150 cm Courtesy Galerie Thaddaeus Ropac, Paris, Salzburg; Richard Deacon, 'Alphabet A' 2009, Stainless steel, Appr. 100kg 250 x 344 x 5 cm Courtesy Galerie Thaddaeus Ropac, Paris, Salzburg; Richard Deacon, 'Alphabet C' , 2009, Powder coated stainless steel, 324 x 329 x 5 cm Courtesy Galerie Thaddaeus Ropac, Paris, Salzburg; Richard Deacon, 'Two by Two' 2010, Galvanized and stainless steel, 242 x 258 x 230 cm Courtesy Galerie Thaddaeus Ropac, Paris, Salzburg,