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Ivan Chermayeff was a leading graphic designer and founder of the design agency Chermayeff & Geismar & Haviv in New York. He corresponded a lot with his contacts at home and abroad and he kept all the paperwork he received and found interesting. After his retirement he started making free work with this material (collages, silkscreens and iris prints).
An overview of this work can be seen in the book 'Suspects, Smokers, Soldiers, and Salesladies' from 2001. His collages have also been exhibited in various museums and galleries, including VIP's International Art Galleries in Rotterdam in 2001.
The Dutch Queen Beatrix stamp can be recognized on the envelope in this collage.