Threshold, NorthWest — One [ spectrum : violet with grey ] 2010 - 2011, 2014 oil on canvas 23 x 38 inches Threshold, SouthEast — Two [ spectrum : orange with grey ] 2010 — 2011, 2014 transfer chalk and oil on canvas 23 x 38 inches Threshold, SouthWest — One [ spectrum : red ] 2011 - 2012 oil on canvas 23 x 44 inches Threshold, North [ spectrum : blue 2009 - 2010 oil on canvas 23 x 34 inches Threshold, SouthWest — Two [ spectrum : green ] 2009 - 2010 oil on canvas 25 x 42 inches Threshold, SouthEast — One [ spectrum : yellow ] 2009 - 2010 oil on canvas 23 x 44 inches PausePlayPlayPrev|Next