Cover ornamented with artist stamps featuring a shimmering concentric circle design with a hand ringing a small bell at the center, and "POST ME". Artist stamp over envelope flap on reverse. Sketch of a man's head with text: "speak UP speak OUT", "POST ME", "BERN PORTER commemorative stamp series", and "PITTORE EUFORICO". Rubber stamps in red ink: "Ntity", "International Mail Art is the most important and most significant art movement in the world today", and sender's return address. No enclosures.