¹⁄₂ in. (1.2 cm.) long

George Spencer, 4th Duke of Marlborough (1739-1817), Blenheim Palace, Oxfordshire; thence by continuous descent.
The Marlborough Gems: Being a Collection of Works in Cameo and Intaglio Formed by George, Third Duke of Marlborough, Christie's, London, 28 June-1 July 1875, lot 230.
David Bromilow (1809-1898), Bitteswell Hall, Leicestershire, acquired from the above; thence by descent to his daughter, Julia Harriet Mary Jary, Bitteswell Hall, Leicestershire, 1898.
The Marlborough Gems: A Collection of Works in Cameo and Intaglio Formed by George, Third Duke of Marlborough, Purchased by the Late David Bromilow, Esq., of Bitteswell Hall, Lutterworth, the Property of Mrs. Jary, Christie's, London, 26-29 June 1899, lot 230.
with Francis E. Whelan (1848-1907), London, acquired from the above (according to the auctioneer's book).
Sir John Henry William Schroder, 1st Baronet and Baron von Schröder (1825-1910), Hamburg, Germany and Berkshire, England.
The Collection of Camei & Intagli Formed by Baron Schröder, Christie's, London, 11 July 1910, lot 5.
with Spink & Son, London, acquired from the above (according to auctioneer's book).
Giorgio Sangiorgi (1886-1965), Rome, acquired and brought to Switzerland, late 1930s; thence by continuous descent to the current owner.

N. Story-Maskelyne, The Marlborough Gems: Being a Collection of Works in Cameo and Intaglio Formed by George, Third Duke of Marlborough, London, 1870, p. 39, no. 230.
J. Boardman, et al., The Marlborough Gems, Formerly at Blenheim Palace, Oxfordshire, London, 2009, p. 270, no. 639.
J. Boardman and C. Wagner, Masterpieces in Miniature: Engraved Gems from Prehistory to the Present, London, 2018, p. 178, no. 164.