II c. A.D.
Conical center bisected by a ribbed ridge, with ribbed base perimeter decorated with diametrically opposed lobes filled with blue enamel with black dots at the center and triple lobes incised with dot and circles. Central boss filled with red glass. Hinged pin partially survived.
1.2″x 1.2″(32 x 32 mm).
For the same fibula see: R. Hattatt.Visual Catalog of Brooches, cat. # 541.