A mixed media sculpture by John McCracken, titled 1968, dated 1968.

John McCracken 

Green Plank

, 1968

Polyester resin, fiberglass, and plywood

94 1/4 x 14 1/8 x 1 1/4 inches (239.4 x 35.9 x 3.2 cm)

A mixed media sculpture by John McCracken, titled 1968, dated 1968.