Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1053 
RPC I index 20
C
For a table of the Spanish countermarks, see here

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 417 Show 417 39 1
RPC I, 437 Show 437 20 1
RPC I, 445 Show 445 13 1
RPC I, 452 Show 452 22 1
RPC I, 444 Show 444 52 1