Probably from Crimea, Ukraine.; Samuel T. Baxter, Florence (until 1895)
Brown, Katharine R. "If Only the Dead Could Talk: An Update on the East German and Hunnish Jewelry Collections at the Metropolitan Museum of Art." In Ancient Jewelry and Archaeology, edited by Adriana Calinescu. Bloomington: Indiana University Press, 1996. p. 227, fig. 3, 5.
Brown, Katharine R., Dafydd Kidd, and Charles T. Little, ed. From Attila to Charlemagne: Arts of the Early Medieval Period in the Metropolitan Museum of Art. New York and New Haven: The Metropolitan Museum of Art, 2000. p. 111, 339, fig. 10.11.