Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1517 
GIC —
cornucopia? in quadratic incuse
quadratic incuse 
5.5–6 mm 
Philippi (Macedonia)
might either be a bunch of grapes? 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1646 Show 1646 20 1
RPC I, 1646 Show 1646 21 1
RPC I, 1646 Show 1646 8 1
RPC I, 1646 Show 1646 22 1