Originally, these pieces were joined as one: the disk formed the bottom of a round box that was affixed to the arc of the large brooch. Ornately patterned gold, now only fragmentary, once covered the entire piece, even parts of the brooch that were never visible.
H. R. Martin, Sweden; Colbat-Ready, Paris (sold 1919); Rivère, Paris; Lucien Marcel Bing, Paris (sold 1920); Haas, Paris (sold 1934); [ Brummer Gallery, Paris and New York (1934–sold 1947)]
The Dark Ages: Loan Exhibition of Pagan and Christian Art in the Latin West and Byzantine East. Worcester, Mass.: Worcester Art Museum, 1937. no. 129, p. 44.
Thunmark-Nylén, Lena. "Viking Age Box Brooches: Technical Stratigraphy and Workshop Grouping." PhD diss., Institutionen for Arkeologi Distribution, 1983.
Brown, Katharine R. Migration Art, A.D. 300-800. New York: The Metropolitan Museum of Art, 1995. no. 66, pp. 46-47.
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. pp. 314-315, 357, fig. 25.5- .7.