Philippe Bonan (1968 )Keith Haring, 1989, Pigment proof (c. 2015). Photographer's signature, title in lower margin. Mention "EA", copyright and photographer's signature on verso. Image: 20.8 x 21 cmSheet : 30 x 24 cmPhilippe Bonan (1968) Keith Haring , 1989Pigment print (c . 2015). Photographer's signature, title in lower margin. Mention "EA", copyright and photographer's signature on verso. Image: 20.8 x 21 cmSheet : 30 x 24 cm