Jannis Kounellis, Untitled (Hanging Knife), 1991, Metal, glass, etching on paper, hook and knife, Tate, London. https://dartabase.art/cite/tate/AR00582

Jannis Kounellis, Untitled (Coffee), 1989–91, Metal, glass, etching on paper, coffee beans and lead, Tate, London. https://dartabase.art/cite/tate/AR00581