1. Letter to Theresa Hak Kyung Cha from Jean-Marie Straub and Daniele Huillet (Apparatus) Bookmark Artist: Cha, Theresa Hak Kyung; Straub, Jean-Marie Classification: Documentation Materials: ink, stickers, and clear adhesive tape on envelope with postmarks and six postage stamps Dimensions: 6 1/2 x 8 7/8 in. Accession Number: 1992.4.349.8