 The cans are steel, and thus cannot be x-rayed or scanned to determine the contents, and opening a can would cause it to lose its value; thus, the true contents of "Artist's Shit" are unknown.Bernard Bazile exhibited an opened can of "Artist's Shit" in 1989, titling it "Opened can of Piero Manzoni" ().The can contained an unidentifiable, wrapped object, which Bazile did not open.