Countermark

https://rpc.ashmus.ox.ac.uk/countermark/186 
GIC 64
emperor, laureate head r.
oval 
8 x 7 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 991 Show 991 3 3
RPC III, 1024 Show 1024 5 3
RPC III, 1128 Show 1128 6 3