02-21-2007, 05:08 PM
Concentric ring (bullseye) belt plates were not enameled. There are some with central bosses that were but not the ringed ones AFAIK. Most of the stamped/inlaid belt plates are pre-Flavian.
Black enamel can be made to look like niello if it is matte finish and more of a charcoal grey that pure black
Black enamel can be made to look like niello if it is matte finish and more of a charcoal grey that pure black