Share 'ADD & PASS - The X Files'

In the Mail Art activity, there are interesting ideas that are explored, like Mail Art Calls, Collaborative Books, Visual Poetry etc, and we also have the  ADD & PASS, which are created somewhere in the world by a Mail Artist who send by mail one "object", proposing that it be changed or simply Added an Artistic Intervention by another Mail Artist, appealing that the "object" being referred…