来源
Anon. sale, Sotheby & Co., London, 1 May 1969, lot 265.
Gabriel Sabet, Geneva; Estate sale, Sotheby's, London, 8 December 1998, lot 300.
Private collection (acquired at the above sale); sale, Christie's, London, 19 June 2007, lot 221.
Acquired at the above sale by the present owner.