"Invariant Formation: No IV", graphite on canvas, 122 x 122cm, 2017
"Invariant Formation: No III" graphite on canvas, 122 x 122cm, 2008.
"Invariant Formation: No II", graphite on canvas, 122 x 122cm, 2008.
"Invariant Formation: No I', graphite on canvas, 122 x 122cm, 2008.
