The Postal Service issued a 63-cent Dr. Jonas Salk definitive stamp in a pressure-sensitive adhesive (PSA) pane of twenty stamps, on March 8, 2006, in Washington, DC. Richard Sheaff of Scottsdale, Arizona, designed the stamp.
This issue in the Distinguished Americans Series honors Dr. Jonas Salk (1914-1995), who was awarded the Presidential Medal of Freedom in 1977 for developing the first safe and effective vaccine against paralytic poliomyelitis.
Illustrator Mark Summers of Waterdown, Canada, created the portrait on the stamp. The artist also created art for previous issues in this series: Joseph W. Stilwell (2000), Claude Pepper (2000), Hattie W. Caraway (2001), Edna Ferber (2002), and Wilma Rudolph (2004).
Ashton-Potter (USA), Ltd., produced 100 million stamps in the offset/intaglio process.
Postal Bulletin (February 16, 2006).