STACKHOUSE, Robert, (American, 1942-): ''Blue Encountering's'', 1992 4 color spit bite/aquatint/etching, 28.5'' x 35.25'', signed lower right and dated '91, USF Graphicstudio blind stamp, numbered lower left 29/50, unframed. Available from USF for $2,500. Est. $500/800**