Countermark

https://rpc.ashmus.ox.ac.uk/countermark/479 
GIC 359
murex shell (oval punch)
oval 
5 x 4 mm 
Tyre (Phoenicia)
The differently shaped punch and earlier date indicate a different group from GIC 360. 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 4718 Show 4718 2 1
RPC I, 4715 Show 4715 2 1