GAG at Melbourne Art Fair 2012 GAG at MELBOURNE ART FAIR MAT COLLISHAW, ARIEL HASSAN, PETER HENNESSEY, SANTIAGO SIERRA, HOSSEIN VALAMANESH & ANGELA VALAMANESH 1 – 5 Aug 2012 Installation view of GAG at Melbourne Art fair, 2012. Installation view of GAG at Melbourne Art fair, 2012. Installation view of GAG at Melbourne Art fair, 2012. Installation view of GAG at Melbourne Art fair, 2012. Installation view of GAG at Melbourne Art fair, 2012. Installation view of GAG at Melbourne Art fair, 2012.