Lot.
Sotheby's Musical Instruments. Auction catalogues incl Oct 1976, April 1977, April 1978, Dec 1978, June 1979, Nov 1979, June 1980, March 1982, Oct 1982, June 1983, Jan 1984, June 1984, Dec 1984, June 1985, March 1997, June 1997, March 2002, June 2002, March 2004, Feb 2005, May 2005, Nov 1994, Nov 1995, Dec 1997, Nov 1998, Nov 1994, Nov 1995, Dec 1997, Nov 1998, Dec 1985, Nov 1987, Dec 1991, Nov 1993, Nov 1994, March 1994, Nov 1994, March 1995, June 1995, June 1996, October 1996, June 1987, March 1991, Nov 1991, March 1992, June 1992, May 22, 1986, April 1993, April 30, 1987, June 15, 1989, Nov 1990.