Countermark

https://rpc.ashmus.ox.ac.uk/countermark/647 
GIC 520 ii
ΒΥΖ Δ
rectangular 
12 x 4 mm 
Byzantium (Thrace)
GIC 520 (ΒΥΖΑ) was split by Johnston into ΒΥΖ followed by the marks of value Γ and Δ. This has been reflected in GIC 520i and GIC 520ii 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
Show 49