Countermark

https://rpc.ashmus.ox.ac.uk/countermark/946 
GIC 830
denominational mark Η
circular 
6–6.5 mm 
Sometimes on reverse 

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC X, — (number not assigned), type ID 61306 Show 1666 4 10
RPC X, — (number not assigned), type ID 61321 Show 1716 1 10
RPC X, — (number not assigned), type ID 61321 Show 1716 2 10
RPC X, — (number not assigned), type ID 61322 Show 1699 4 10
RPC X, — (number not assigned), type ID 61322 Show 1699 5 10
RPC X, — (number not assigned), type ID 61322 Show 1699 6 10
RPC X, — (number not assigned), type ID 61322 Show 1699 2 10
RPC X, — (number not assigned), type ID 61322 Show 1699 3 10
RPC X, — (number not assigned), type ID 61324 Show 1700 7 10
RPC X, — (number not assigned), type ID 61324 Show 1700 3 10
RPC X, — (number not assigned), type ID 61324 Show 1700 4 10
RPC X, — (number not assigned), type ID 61325 Show 1696 3 10
RPC X, — (number not assigned), type ID 61326 Show 1698 2 10
RPC X, — (number not assigned), type ID 61330 Show 1686 4 10
RPC X, — (number not assigned), type ID 61331 Show 1688 2 10
RPC X, — (number not assigned), type ID 61338 Show 1684 7 10
RPC X, — (number not assigned), type ID 61338 Show 1684 6 10
RPC X, — (number not assigned), type ID 61336 Show 1708 1 10
RPC X, — (number not assigned), type ID 61337 Show 1691 4 10
RPC X, — (number not assigned), type ID 61340 Show 1687 1 10
RPC X, — (number not assigned), type ID 61342 Show 1704 2 10
RPC X, — (number not assigned), type ID 61343 Show 1703 17 10
RPC X, — (number not assigned), type ID 61343 Show 1703 2 10
RPC X, — (number not assigned), type ID 61343 Show 1703 11 10
RPC X, — (number not assigned), type ID 61343 Show 1703 4 10
RPC X, — (number not assigned), type ID 61343 Show 1703 6 10
RPC X, — (number not assigned), type ID 61343 Show 1703 16 10
RPC X, — (number not assigned), type ID 61357 Show 1717 2 10
RPC X, — (number not assigned), type ID 61338 Show 1684 11 10
RPC X, — (number not assigned), type ID 61332 Show 1692 4 10
RPC X, — (number not assigned), type ID 61338 Show 1684 8 10
RPC X, — (number not assigned), type ID 61331 Show 1688 3 10
RPC X, — (number not assigned), type ID 61338 Show 1684 12 10