Countermark

https://rpc.ashmus.ox.ac.uk/countermark/425 
GIC 303
Capricorn l.
rectangular (or almost square) 
c. 3 x 2 mm 
on coins of Claudius from uncertain mint (Philippi?) 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 1660 Show 1660 21 1
RPC I, 1660 Show 1660 20 1
RPC I, 1660 Show 1660 17 1
RPC I, 1660 Show 1660 15 1
RPC I, 1660 Show 1660 13 1
RPC I, 1660 Show 1660 12 1
RPC I, 1660 Show 1660 8 1
RPC I, 1660 Show 1660 7 1
RPC I, 1660 Show 1660 5 1
RPC I, 1660 Show 1660 4 1
RPC I, 1660 Show 1660 2 1
RPC I, 1660 Show 1660 1 1
RPC I, 2263 Show 2263 19 1
RPC I, 1660 Show 1660 27 1
RPC I, 1660 Show 1660 25 1
RPC I, 1660 Show 1660 26 1
RPC I, 1660 Show 1660 28 1
RPC I, 1660 Show 1660 30 1
RPC I, 1660 Show 1660 32 1
RPC I, 1660 Show 1660 33 1
RPC I, 1660 Show 1660 34 1