Three Ball Total Equilibrium Tank (Two Dr J Silver Series, Spalding NBA Tip-Off) 1985 by Jeff Koons born 1955 Published September 10, 2012 at 1183 × 1536 in Ryan McCann Takes On Koons ← Previous Next → Three Ball Total Equilibrium Tank (Two Dr J Silver Series, Spalding NBA Tip-Off) 1985 Jeff Koons born 1955 Purchased 1995 http://www.tate.org.uk/art/work/T06991