Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1213 
RPC I index —
CON
For a table of the Spanish countermarks, see here

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 55 Show 55 167 1
RPC I, 58 Show 58 115 1
RPC I, 58 Show 58 124 1