Barbarous radiates are imitations of the antoninianus, a type of coin issued during the Roman Empire, which are so named due to their crude style and prominent radiate crown worn by the emperor.
![A Roman barbarous radiate coin from Caistor St Edmund](http://hbsmrgateway2.esdm.co.uk/norfolk/DataFiles/FullImages/1506.jpg)
A Roman barbarous radiate coin from Caistor St Edmund. NWHCM 1944.120.60a:A (© NCC)