Sotheby & Co. Lotto di 14 Cataloghi: 23 May 1966, 14 May 1968, 10 July 1968, 15 October 1968, 20 November 1968, 21 January 1969, 12 March 1969, 21 May 1969, 11 June 1969, 23 July 1969, 24 September 1969, 29 October 1969, 19 November 1969, 03 December 1969. Buono stato.