London: Sotheby's, 1990. Paperback. 121p., 294 lots, profuse full- and half-page exhibit photos in color on high-gloss paperstock. The usual top-of-the-line format: 10.5x8.5 inch coated decorated wraps; laid in is a leaf showing prices realized at this July 25th sale. Aside from a small chip to back cover laminate, a nice unmarked copy.