One gutter strip of 10 stamps honoring artist Roy Lichtenstein.  Issued to mark the centennial of his birth, the stamps feature five of the artist's compositions.

 From the USPS:

Stamp Artwork

These eye-catching new stamps honor Roy Lichtenstein (1923–1997), the iconic American artist of the mid-20th-century pop art movement, which looked to popular culture for its aesthetic. Each of the five designs in the pane of 20 features one work of art by Lichtenstein.

“Standing Explosion (Red)” (1965) is a porcelain enamel on steel work that is part of the collection of the Crystal Bridges Museum of American Art in Bentonville, AR.

“Modern Painting I” (1966) is an acrylic, oil and graphite pencil on canvas painting that is part of the collection of the Frederick R. Weisman Art Foundation in Los Angeles.

“Still Life With Crystal Bowl” (1972) is an acrylic, oil and graphite pencil on canvas painting that is part of the collection of the Whitney Museum of American Art in New York City.

“Still Life With Goldfish” (1972) is an acrylic, oil and graphite pencil on canvas painting that is owned by a private collector.

“Portrait of a Woman” (1979) is an acrylic, oil and graphite pencil on canvas painting that is owned by a private collector.

In the left third of the pane is a photograph by Bob Adelman of Lichtenstein standing in front of one of his dot-pattern paintings. His face is framed by a model of his 1983 sculpture Brushstrokes in Flight.