Celebrating The Emergence of Mail Art

The following link leads to an interesting article about an up-coming display at the Smithsonian featuring the beginnings and development of the mail art movement and post-modernism.  Thanks P.S. for sharing!

Title:  Collaborative Mail Art Puts The "Post" in Post Modernism

https://www.smithsonianmag.com/smithsonian-institution/collaborative-mail-art-puts-post-postmodernism-180969783/