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 1582 4 10
RPC X, — (number not assigned), type ID 61321 Show 1633 1 10
RPC X, — (number not assigned), type ID 61321 Show 1633 2 10
RPC X, — (number not assigned), type ID 61322 Show 1620 4 10
RPC X, — (number not assigned), type ID 61322 Show 1620 5 10
RPC X, — (number not assigned), type ID 61322 Show 1620 6 10
RPC X, — (number not assigned), type ID 61322 Show 1620 2 10
RPC X, — (number not assigned), type ID 61322 Show 1620 3 10
RPC X, — (number not assigned), type ID 61324 Show 1621 7 10
RPC X, — (number not assigned), type ID 61324 Show 1621 3 10
RPC X, — (number not assigned), type ID 61324 Show 1621 4 10
RPC X, — (number not assigned), type ID 61325 Show 1618 3 10
RPC X, — (number not assigned), type ID 61326 Show 1623 2 10
RPC X, — (number not assigned), type ID 61330 Show 1601 4 10
RPC X, — (number not assigned), type ID 61331 Show 1599 2 10
RPC X, — (number not assigned), type ID 61338 Show 1603 7 10
RPC X, — (number not assigned), type ID 61338 Show 1603 6 10
RPC X, — (number not assigned), type ID 61336 Show 1631 1 10
RPC X, — (number not assigned), type ID 61337 Show 1609 4 10
RPC X, — (number not assigned), type ID 61340 Show 1605 1 10
RPC X, — (number not assigned), type ID 61342 Show 1614 2 10
RPC X, — (number not assigned), type ID 61343 Show 1616 17 10
RPC X, — (number not assigned), type ID 61343 Show 1616 2 10
RPC X, — (number not assigned), type ID 61343 Show 1616 11 10
RPC X, — (number not assigned), type ID 61343 Show 1616 4 10
RPC X, — (number not assigned), type ID 61343 Show 1616 6 10
RPC X, — (number not assigned), type ID 61343 Show 1616 16 10
RPC X, — (number not assigned), type ID 61357 Show 1634 2 10
RPC X, — (number not assigned), type ID 61338 Show 1603 11 10
RPC X, — (number not assigned), type ID 83066 Show 1604 1 10
RPC X, — (number not assigned), type ID 61332 Show 1608 4 10
RPC X, — (number not assigned), type ID 61338 Show 1603 8 10
RPC X, — (number not assigned), type ID 61331 Show 1599 3 10
RPC X, — (number not assigned), type ID 61338 Show 1603 12 10