His works are featured in a set of five nondenominated ('forever') USA commemorative postage stamps issued 24 April 2023. The featured works are: Standing Explosion (Red), 1965; Modern Painting I, 1966; Still Life with Crystal Bowl, 1972; Still Life with Goldfish; 1972; and Portrait of a Woman, 1979. Price of each stamp on day of issue was 63¢.