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 1673 4 10
RPC X, — (number not assigned), type ID 61321 Show 1723 1 10
RPC X, — (number not assigned), type ID 61321 Show 1723 2 10
RPC X, — (number not assigned), type ID 61322 Show 1706 4 10
RPC X, — (number not assigned), type ID 61322 Show 1706 5 10
RPC X, — (number not assigned), type ID 61322 Show 1706 6 10
RPC X, — (number not assigned), type ID 61322 Show 1706 2 10
RPC X, — (number not assigned), type ID 61322 Show 1706 3 10
RPC X, — (number not assigned), type ID 61324 Show 1707 7 10
RPC X, — (number not assigned), type ID 61324 Show 1707 3 10
RPC X, — (number not assigned), type ID 61324 Show 1707 4 10
RPC X, — (number not assigned), type ID 61325 Show 1703 3 10
RPC X, — (number not assigned), type ID 61326 Show 1705 2 10
RPC X, — (number not assigned), type ID 61330 Show 1693 4 10
RPC X, — (number not assigned), type ID 61331 Show 1695 2 10
RPC X, — (number not assigned), type ID 61338 Show 1691 7 10
RPC X, — (number not assigned), type ID 61338 Show 1691 6 10
RPC X, — (number not assigned), type ID 61336 Show 1715 1 10
RPC X, — (number not assigned), type ID 61337 Show 1698 4 10
RPC X, — (number not assigned), type ID 61340 Show 1694 1 10
RPC X, — (number not assigned), type ID 61342 Show 1711 2 10
RPC X, — (number not assigned), type ID 61343 Show 1710 17 10
RPC X, — (number not assigned), type ID 61343 Show 1710 2 10
RPC X, — (number not assigned), type ID 61343 Show 1710 11 10
RPC X, — (number not assigned), type ID 61343 Show 1710 4 10
RPC X, — (number not assigned), type ID 61343 Show 1710 6 10
RPC X, — (number not assigned), type ID 61343 Show 1710 16 10
RPC X, — (number not assigned), type ID 61357 Show 1724 2 10
RPC X, — (number not assigned), type ID 61338 Show 1691 11 10
RPC X, — (number not assigned), type ID 61332 Show 1699 4 10
RPC X, — (number not assigned), type ID 61338 Show 1691 8 10
RPC X, — (number not assigned), type ID 61331 Show 1695 3 10
RPC X, — (number not assigned), type ID 61338 Show 1691 12 10