Disk Brooch
Object type: Brooch
Department: Medieval Art
Culture: Frankish
Date: ca. 550–650
Medium: Copper alloy, gold,  glass paste cabochon, garnet, iron pin
Dimensions: Overall: 1 7/16 x 1/2 in. (3.7 x 1.2 cm)
Classification: Metalwork-Copper alloy
Credit line: Gift of J. Pierpont Morgan, 1917
Accession year: 1917