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This is the first edition exhibition poster designed and created by Jasper Johns for a retrospective of his work at the Whitney Museum in 1977-1978. Published by the Whitney Museum. 
This motif is based on John's life-size bronze sculpture of a paintbrush–filled Savarin coffee can (1960). The composition was created first as a poster for a retrospective exhibition of his work, which explains its attention–getting scale.
For the background, Johns used a fragment of a then–recent painting of crosshatched strokes. By showing the early sculpture and the painting together, he represented the span of his work at the time of the retrospective.

Jasper Johns the American artist and recipient of the Presidential Medal of Freedom, the Nation’s highest civilian honor, from President Barack Obama, a man often identified as one of the key progenitors of Pop and Minimal Art, with works in nearly every major American art museum, including the Metropolitan Museum of Art, the Museum of Modern Art, and the Whitney Museum of American Art, and the Creator of the most expense painting (Flag) ever sold by a living artist ($110 million)Jasper Johns 48-star “Flag” 1958 private collection of Steven A. Cohen. 

"Together with Rauschenberg and several Abstract Expressionist painters of the previous generation, Jackson Pollock, Willem de Kooning, and Barnett Newman, Johns is one of the most significant and influential American painters of the twentieth century. He also ranks with Dürer, Rembrandt, Goya, Munch, and Picasso as one of the greatest printmakers of any era. In addition, he makes many drawings—unique works on paper, usually based on a painting he has previously painted—and he has created an unusual body of sculptural objects.+ (The Metropolitan Museum of Art)