A painting by Ad Reinhardt, titled Black, Green, Purple, Blue, dated circa 1952.

Ad Reinhardt 
Black, Green, Purple, Blue, c. 1952

Oil on canvas

16 x 16 1/8 inches (40.6 x 40.9 cm)

Framed: 18 x 18 1/8 inches (45.7 x 46 cm)

A painting by Ad Reinhardt, titled Black, Green, Purple, Blue, dated circa 1952.
A detail from a painting by Ad Reinhardt, titled Black, Green, Purple, Blue, dated circa 1952.
A painting by Ad Reinhardt, titled Black, Green, Purple, Blue, dated circa 1952.