Countermark

https://rpc.ashmus.ox.ac.uk/countermark/831 
GIC 712
?A and AS (uncertain letters, two countermarks)
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 2911 Show 2911 5 3
RPC III, 2911 Show 2911 4 3
RPC III, 2911 Show 2911 6 3
RPC III, 2911 Show 2911 14 3
RPC III, 2911 Show 2911 15 3
RPC III, 2911 Show 2911 16 3
RPC III, 2911 Show 2911 19 3
RPC III, 2911 Show 2911 20 3