Provenance
One, sold Sotheby's London, 15 June 1984, lot 45, the other sold by David Style Esq., Wateringbury Place, Maidstone, Kent, Christie's house sale, 31 May-2 June 1978, lot 581
The pair sold by Christopher Cowlin Esq., Lyegrove, Badminton, Avon, Christie's house sale, 26 September 1988, lots 70 and 71
The Property of a Gentleman, Christie's London, 17 April 1997, lot 95