Countermark

https://rpc.ashmus.ox.ac.uk/countermark/768 
GIC 645
monogram ABR
Abr(ettene)? 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1657 Show 1657 20 1
RPC I, 2007 Show 2007 4 1
RPC I, 2007 Show 2007 1 1