Countermark

https://rpc.ashmus.ox.ac.uk/countermark/1114 
RPC I index 81
monogram
For a table of the Spanish countermarks, see here

Coins with this countermark

Number Image TypeNumber CoinNumber VolumeNumber
RPC I, 51 Show 51 35 1
RPC I, 108 Show 108 420 1
RPC I, 108 Show 108 422 1
RPC I, 108 Show 108 425 1