Countermark

https://rpc.ashmus.ox.ac.uk/countermark/899 
GIC 769
denominational mark Β
circular or oval 
circular c. 4 mm; oval 5 x 3 mm 
Tyana (Cappadocia)
are the different shapes the same cmk? 
List of countermarks View on a map

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC III, 2950 Show 2950 6 3
RPC III, 2950 Show 2950 7 3
RPC III, 2950 Show 2950 18 3
RPC III, 2950 Show 2950 17 3