THE MOUNTS 19TH CENTURY, THE PORPHYRY POSSIBLY EARLIER

Probably acquired by Frederick William Hervey, 5th Earl and later 1st Marquess of Bristol (d. 1859), either for Ickworth House, Suffolk, or No. 6 St. James's Square, London.
Thence by descent to a member of the Hervey family, sold Christie's, London, 2 December 1997, lot 14.