London: Sotheby's, 8 & 22 May 1992. Including property of the estate of Miss Silvia Burrell.
U & lc (Upper and Lower Case) March 1976
$35.00
U & lc (Upper and Lower Case) July 1976
U & lc (Upper and Lower Case) September 1976
U & lc (Upper and Lower Case) March 1977
