From the website of the United States Postal Service:
The Pioneers of American Industrial Design (Forever®) stamp pane honors 12 of the nation's most important and influential industrial designers. Encompassing everything from furniture and electric kitchen appliances to corporate office buildings and passenger trains, the work of these designers helped shape the look of everyday life in the 20th century.
Each stamp features the name of a designer and a photograph of an object created by the designer, as well as a description of the object and the year or years when the object was created. The selvage features a photograph of the "Airflow" fan designed by Robert Heller around 1937.

The Pioneers of American Industrial Design (Forever®) stamp pane honors 12 of the nation's most important and influential industrial designers. Encompassing everything from furniture and electric kitchen appliances to corporate office buildings and passenger trains, the work of these designers helped shape the look of everyday life in the 20th century.
Each stamp features the name of a designer and a photograph of an object created by the designer, as well as a description of the object and the year or years when the object was created. The selvage features a photograph of the "Airflow" fan designed by Robert Heller around 1937.
