Countermark

https://rpc.ashmus.ox.ac.uk/countermark/151 
GIC 31
ΚΥ or Κ, Cyzicus, bust r.
circular (or slightly oval) 
8.5 mm 
 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC IV, 11151 (temporary) Show 127 1 4.2
RPC IV, 690 (temporary) Show 408 1 4.2
RPC IV, 716 (temporary) Show 224 7 4.2
RPC IV, 690 (temporary) Show 408 2 4.2
RPC IV, 7777 (temporary) Show 10 5 4.2
RPC IV, 528 (temporary) Show 198 2 4.2
RPC IV, 11210 (temporary) Show 145 1 4.2
RPC IV, 738 (temporary) Show 380 5 4.2
RPC IV, 11241 (temporary) Show 412 1 4.2
RPC IV, 2550 (temporary) Show 292 1 4.2
RPC IV, 575 (temporary) Show 313 2 4.2
RPC IV, 11196 (temporary) Show 87 2 4.2
RPC IV, 9162 (temporary) Show 124 3 4.2
RPC IV, 740 (temporary) Show 392 3 4.2
RPC IV, 9169 (temporary) Show 407 1 4.2
RPC IV, 518 (temporary) Show 59 3 4.2
RPC IV, 752 (temporary) Show 246 2 4.2
RPC V.2, — (number not assigned), type ID 648 Show 1689 10 5.2
RPC V.2, — (number not assigned), type ID 313 Show 1702 6 5.2
RPC IV, 9689 (temporary) Show 379 2 4.2