the figure of Christ modelled in gold and enamelled in white, the nailheads set with small diamonds, the cross and part of the base composed of lapis lazuli and mounted with finely enamelled gold finials, set with rubies, the domed base raised on eight cherub and skull feet, the whole mounted on a shaped jasper base. 

Mr. and Mrs. Harris Masterson, Houston
Sold Sotheby's, New York, May 31, 1986, lot 189

Compare the intricate black and white enameling, a characteristic of Paris workshops of the second quarter of the 17th century, in Les Gemmes de la Couronne, Musée de Louvre, Paris, 2001, cat.no. 24, p.90.