I've completed my postcard for A Book About Death and the image appears on the project's blog site. I hope you'll consider participating in this interesting project. I'll be looking forward to watching the project grow online and to meet other participating artists in September at the opening reception. You can see the image here.
Also on the blog are links for more information about the Emily Harvey Foundation. Emily Harvey (1941-2004) was a pioneering gallerist (Emily Harvey Gallery at 537 Broadway) and champion of Fluxus artists as well as artists who made mail art, concept art, and performance pieces.
Here is an example of one of the postcards, this one by Cecil Touchon