Said to have belonged to Comtesse Batowska (city unknown). Charles J. Wertheimer [d. 1911], London. (Duveen, New York); purchased 28 October 1911 by Peter A. B. Widener, Elkins Park, Pennsylvania, probably as Italian sixteenth century; inheritance from the Estate of Peter A. B. Widener by gift through power of appointment of Joseph E. Widener, Elkins Park, 1942.
- Inventory of the Objects d'Art at Lynnewood Hall, Elkins Park, Pennsylvania, The Estate of the Late P.A.B. Widener. Philadelphia, 1935: 48.
- Works of Art from the Widener Collection. Foreword by David Finley and John Walker. National Gallery of Art, Washington, 1942: 11, as Italian 16th Century.
- Neumann, Robert von. The Design and Creation of Jewelry. Rev. ed. New York and Philadelphia, 1972: 13, fig. 4.
- Hackenbroch, Yvonne. Renaissance Jewellery. London and Munich, 1979: 320, no. 836.
- Newman, Harold. An Illustrated Dictionary of Jewellery. London, 1981: 61.
- Wilson, Carolyn C. Renaissance Small Bronze Sculpture and Associated Decorative Arts at the National Gallery of Art. Washington, 1983: 165-166.
- Distelberger, Rudolf, Alison Luchs, Philippe Verdier, and Timonthy H. Wilson. Western Decorative Arts, Part I: Medieval, Renaissance, and Historicizing Styles including Metalwork, Enamels, and Ceramics. The Collections of the National Gallery of Art Systematic Catalogue. Washington, D.C., 1993: 300-302, color repro. 301.
Table-cut gems are in rectangular box settings. There has been slight enamel loss.