Mike Brown, It Ain't Necessarily So... (detail). 1969-70. On view at Heide Museum of Modern Art in Melbourne through October 13. 

Nada Prija, Peace Wall, 2013. MDF panels, paint, fabric and paper. 437 x 1135 x 1.2 cm. On view at White Cube in London through September 21. 

Keiichi Tanaami, PB Grand Prix 01, 1968. On view at Fondation Speerstra in Switzerland through September 22 

Linder, Daughters of the Promised Land II, 2012. 11 3/8 x 7 7/8 inches. On view at Blum & Poe through October 26